diff --git a/Makefile b/Makefile
index 03e3bf4c6f93789301be3058765e8189cccea45e..b243d267966835ad687b03b6b8d34275e7c42660 100644
--- a/Makefile
+++ b/Makefile
@@ -10,6 +10,11 @@ geth:
 	@echo "Done building."
 	@echo "Run \"$(GOBIN)/geth\" to launch geth."
 
+console:
+	build/env.sh go install -v $(shell build/ldflags.sh) ./cmd/console
+	@echo "Done building."
+	@echo "Run \"$(GOBIN)/console\" to launch the console."
+
 mist:
 	build/env.sh go install -v $(shell build/ldflags.sh) ./cmd/mist
 	@echo "Done building."
diff --git a/cmd/geth/js.go b/cmd/geth/js.go
index 706bc6554f4f5e2cdfadcd0ec51a9ded92e2af1e..d1a6cc29de51805e662dbff0ae3bc3c226ed5e4c 100644
--- a/cmd/geth/js.go
+++ b/cmd/geth/js.go
@@ -73,7 +73,7 @@ type jsre struct {
 	prompter
 }
 
-func newJSRE(ethereum *eth.Ethereum, libPath, corsDomain string, interactive bool, f xeth.Frontend) *jsre {
+func newJSRE(ethereum *eth.Ethereum, libPath, corsDomain, ipcpath string, interactive bool, f xeth.Frontend) *jsre {
 	js := &jsre{ethereum: ethereum, ps1: "> "}
 	// set default cors domain used by startRpc from CLI flag
 	js.corsDomain = corsDomain
@@ -84,7 +84,7 @@ func newJSRE(ethereum *eth.Ethereum, libPath, corsDomain string, interactive boo
 	js.wait = js.xeth.UpdateState()
 	// update state in separare forever blocks
 	js.re = re.New(libPath)
-	js.apiBindings(f)
+	js.apiBindings(ipcpath, f)
 	js.adminBindings()
 
 	if !liner.TerminalSupported() || !interactive {
@@ -103,10 +103,10 @@ func newJSRE(ethereum *eth.Ethereum, libPath, corsDomain string, interactive boo
 	return js
 }
 
-func (js *jsre) apiBindings(f xeth.Frontend) {
+func (js *jsre) apiBindings(ipcpath string, f xeth.Frontend) {
 	xe := xeth.New(js.ethereum, f)
 	ethApi := rpc.NewEthereumApi(xe)
-	jeth := rpc.NewJeth(ethApi, js.re)
+	jeth := rpc.NewJeth(ethApi, js.re, ipcpath)
 
 	js.re.Set("jeth", struct{}{})
 	t, _ := js.re.Get("jeth")
@@ -119,7 +119,7 @@ func (js *jsre) apiBindings(f xeth.Frontend) {
 		utils.Fatalf("Error loading bignumber.js: %v", err)
 	}
 
-	err = js.re.Compile("ethereum.js", re.Ethereum_JS)
+	err = js.re.Compile("ethereum.js", re.Web3_JS)
 	if err != nil {
 		utils.Fatalf("Error loading ethereum.js: %v", err)
 	}
diff --git a/cmd/geth/main.go b/cmd/geth/main.go
index d180c269ffa1372c86914215bb65bda7eab4fb12..5d7e102c4982e6f0b38a1f9a6cc8ef4919b6c4a9 100644
--- a/cmd/geth/main.go
+++ b/cmd/geth/main.go
@@ -307,6 +307,7 @@ func console(ctx *cli.Context) {
 	repl := newJSRE(
 		ethereum,
 		ctx.String(utils.JSpathFlag.Name),
+		ctx.GlobalString(utils.IPCPathFlag.Name),
 		ctx.GlobalString(utils.RPCCORSDomainFlag.Name),
 		true,
 		nil,
@@ -328,6 +329,7 @@ func execJSFiles(ctx *cli.Context) {
 	repl := newJSRE(
 		ethereum,
 		ctx.String(utils.JSpathFlag.Name),
+		ctx.GlobalString(utils.IPCPathFlag.Name),
 		ctx.GlobalString(utils.RPCCORSDomainFlag.Name),
 		false,
 		nil,
diff --git a/jsre/ethereum_js.go b/jsre/ethereum_js.go
index 74f6b2acd6713a67f092ddb1df4940a18dbe7414..5aa673906cb488cc1a41c78351aa1dc3d4bfc756 100644
--- a/jsre/ethereum_js.go
+++ b/jsre/ethereum_js.go
@@ -1,7 +1,6 @@
 package jsre
 
-const Ethereum_JS = `
-require=(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+const Web3_JS = `require=(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -18,7 +17,7 @@ require=(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof requ
     You should have received a copy of the GNU Lesser General Public License
     along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
 */
-/** 
+/**
  * @file coder.js
  * @author Marek Kotewicz <marek@ethdev.com>
  * @date 2015
@@ -73,7 +72,7 @@ SolidityType.prototype.isType = function (name) {
  * @method formatInput
  * @param {Object} param - plain object, or an array of objects
  * @param {Bool} arrayType - true if a param should be encoded as an array
- * @return {SolidityParam} encoded param wrapped in SolidityParam object 
+ * @return {SolidityParam} encoded param wrapped in SolidityParam object
  */
 SolidityType.prototype.formatInput = function (param, arrayType) {
     if (utils.isArray(param) && arrayType) { // TODO: should fail if this two are not the same
@@ -83,7 +82,7 @@ SolidityType.prototype.formatInput = function (param, arrayType) {
         }).reduce(function (acc, current) {
             return acc.combine(current);
         }, f.formatInputInt(param.length)).withOffset(32);
-    } 
+    }
     return this._inputFormatter(param);
 };
 
@@ -97,7 +96,7 @@ SolidityType.prototype.formatInput = function (param, arrayType) {
  */
 SolidityType.prototype.formatOutput = function (param, arrayType) {
     if (arrayType) {
-        // let's assume, that we solidity will never return long arrays :P 
+        // let's assume, that we solidity will never return long arrays :P
         var result = [];
         var length = new BigNumber(param.dynamicPart().slice(0, 64), 16);
         for (var i = 0; i < length * 64; i += 64) {
@@ -138,7 +137,7 @@ var SolidityCoder = function (types) {
  *
  * @method _requireType
  * @param {String} type
- * @returns {SolidityType} 
+ * @returns {SolidityType}
  * @throws {Error} throws if no matching type is found
  */
 SolidityCoder.prototype._requireType = function (type) {
@@ -285,7 +284,7 @@ var coder = new SolidityCoder([
 module.exports = coder;
 
 
-},{"../utils/utils":6,"./formatters":2,"./param":3,"bignumber.js":"bignumber.js"}],2:[function(require,module,exports){
+},{"../utils/utils":7,"./formatters":2,"./param":3,"bignumber.js":"bignumber.js"}],2:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -302,7 +301,7 @@ module.exports = coder;
     You should have received a copy of the GNU Lesser General Public License
     along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
 */
-/** 
+/**
  * @file formatters.js
  * @author Marek Kotewicz <marek@ethdev.com>
  * @date 2015
@@ -427,7 +426,7 @@ var formatOutputUInt = function (param) {
  * @returns {BigNumber} input bytes formatted to real
  */
 var formatOutputReal = function (param) {
-    return formatOutputInt(param).dividedBy(new BigNumber(2).pow(128)); 
+    return formatOutputInt(param).dividedBy(new BigNumber(2).pow(128));
 };
 
 /**
@@ -438,7 +437,7 @@ var formatOutputReal = function (param) {
  * @returns {BigNumber} input bytes formatted to ureal
  */
 var formatOutputUReal = function (param) {
-    return formatOutputUInt(param).dividedBy(new BigNumber(2).pow(128)); 
+    return formatOutputUInt(param).dividedBy(new BigNumber(2).pow(128));
 };
 
 /**
@@ -505,7 +504,7 @@ module.exports = {
 };
 
 
-},{"../utils/config":5,"../utils/utils":6,"./param":3,"bignumber.js":"bignumber.js"}],3:[function(require,module,exports){
+},{"../utils/config":5,"../utils/utils":7,"./param":3,"bignumber.js":"bignumber.js"}],3:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -522,7 +521,7 @@ module.exports = {
     You should have received a copy of the GNU Lesser General Public License
     along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
 */
-/** 
+/**
  * @file param.js
  * @author Marek Kotewicz <marek@ethdev.com>
  * @date 2015
@@ -541,7 +540,7 @@ var SolidityParam = function (value, offset) {
 
 /**
  * This method should be used to get length of params's dynamic part
- * 
+ *
  * @method dynamicPartLength
  * @returns {Number} length of dynamic part (in bytes)
  */
@@ -569,7 +568,7 @@ SolidityParam.prototype.withOffset = function (offset) {
  * @param {SolidityParam} result of combination
  */
 SolidityParam.prototype.combine = function (param) {
-    return new SolidityParam(this.value + param.value); 
+    return new SolidityParam(this.value + param.value);
 };
 
 /**
@@ -601,8 +600,8 @@ SolidityParam.prototype.offsetAsBytes = function () {
  */
 SolidityParam.prototype.staticPart = function () {
     if (!this.isDynamic()) {
-        return this.value; 
-    } 
+        return this.value;
+    }
     return this.offsetAsBytes();
 };
 
@@ -634,7 +633,7 @@ SolidityParam.prototype.encode = function () {
  * @returns {String}
  */
 SolidityParam.encodeList = function (params) {
-    
+
     // updating offsets
     var totalOffset = params.length * 32;
     var offsetParams = params.map(function (param) {
@@ -664,7 +663,7 @@ SolidityParam.encodeList = function (params) {
  */
 SolidityParam.decodeParam = function (bytes, index) {
     index = index || 0;
-    return new SolidityParam(bytes.substr(index * 64, 64)); 
+    return new SolidityParam(bytes.substr(index * 64, 64));
 };
 
 /**
@@ -717,7 +716,7 @@ SolidityParam.decodeArray = function (bytes, index) {
 module.exports = SolidityParam;
 
 
-},{"../utils/utils":6}],4:[function(require,module,exports){
+},{"../utils/utils":7}],4:[function(require,module,exports){
 'use strict';
 
 // go env doesn't have and need XMLHttpRequest
@@ -753,13 +752,13 @@ if (typeof XMLHttpRequest === 'undefined') {
 
 /**
  * Utils
- * 
+ *
  * @module utils
  */
 
 /**
  * Utility functions
- * 
+ *
  * @class [utils] config
  * @constructor
  */
@@ -767,26 +766,34 @@ if (typeof XMLHttpRequest === 'undefined') {
 /// required to define ETH_BIGNUMBER_ROUNDING_MODE
 var BigNumber = require('bignumber.js');
 
-var ETH_UNITS = [ 
-    'wei', 
-    'Kwei', 
-    'Mwei', 
-    'Gwei', 
-    'szabo', 
-    'finney', 
-    'ether', 
-    'grand', 
-    'Mether', 
-    'Gether', 
-    'Tether', 
-    'Pether', 
-    'Eether', 
-    'Zether', 
-    'Yether', 
-    'Nether', 
-    'Dether', 
-    'Vether', 
-    'Uether' 
+var ETH_UNITS = [
+    'wei',
+    'kwei',
+    'Mwei',
+    'Gwei',
+    'szabo',
+    'finney',
+    'femtoether',
+    'picoether',
+    'nanoether',
+    'microether',
+    'milliether',
+    'nano',
+    'micro',
+    'milli',
+    'ether',
+    'grand',
+    'Mether',
+    'Gether',
+    'Tether',
+    'Pether',
+    'Eether',
+    'Zether',
+    'Yether',
+    'Nether',
+    'Dether',
+    'Vether',
+    'Uether'
 ];
 
 module.exports = {
@@ -817,7 +824,48 @@ module.exports = {
     You should have received a copy of the GNU Lesser General Public License
     along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
 */
-/** 
+/**
+ * @file sha3.js
+ * @author Marek Kotewicz <marek@ethdev.com>
+ * @date 2015
+ */
+
+var utils = require('./utils');
+var sha3 = require('crypto-js/sha3');
+
+module.exports = function (str, isNew) {
+    if (str.substr(0, 2) === '0x' && !isNew) {
+        console.warn('requirement of using web3.fromAscii before sha3 is deprecated');
+        console.warn('new usage: \'web3.sha3("hello")\'');
+        console.warn('see https://github.com/ethereum/web3.js/pull/205');
+        console.warn('if you need to hash hex value, you can do \'sha3("0xfff", true)\'');
+        str = utils.toAscii(str);
+    }
+
+    return sha3(str, {
+        outputLength: 256
+    }).toString();
+};
+
+
+},{"./utils":7,"crypto-js/sha3":33}],7:[function(require,module,exports){
+/*
+    This file is part of ethereum.js.
+
+    ethereum.js is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    ethereum.js is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/**
  * @file utils.js
  * @author Marek Kotewicz <marek@ethdev.com>
  * @date 2015
@@ -825,13 +873,13 @@ module.exports = {
 
 /**
  * Utils
- * 
+ *
  * @module utils
  */
 
 /**
  * Utility functions
- * 
+ *
  * @class [utils] utils
  * @constructor
  */
@@ -839,22 +887,30 @@ module.exports = {
 var BigNumber = require('bignumber.js');
 
 var unitMap = {
-    'wei':      '1',
-    'kwei':     '1000',
-    'ada':      '1000',
-    'mwei':     '1000000',
-    'babbage':  '1000000',
-    'gwei':     '1000000000',
-    'shannon':  '1000000000',
-    'szabo':    '1000000000000',
-    'finney':   '1000000000000000',
-    'ether':    '1000000000000000000',
-    'kether':   '1000000000000000000000',
-    'grand':    '1000000000000000000000',
-    'einstein': '1000000000000000000000',
-    'mether':   '1000000000000000000000000',
-    'gether':   '1000000000000000000000000000',
-    'tether':   '1000000000000000000000000000000'
+    'wei':          '1',
+    'kwei':         '1000',
+    'ada':          '1000',
+    'femtoether':   '1000',
+    'mwei':         '1000000',
+    'babbage':      '1000000',
+    'picoether':    '1000000',
+    'gwei':         '1000000000',
+    'shannon':      '1000000000',
+    'nanoether':    '1000000000',
+    'nano':         '1000000000',
+    'szabo':        '1000000000000',
+    'microether':   '1000000000000',
+    'micro':        '1000000000000',
+    'finney':       '1000000000000000',
+    'milliether':    '1000000000000000',
+    'milli':         '1000000000000000',
+    'ether':        '1000000000000000000',
+    'kether':       '1000000000000000000000',
+    'grand':        '1000000000000000000000',
+    'einstein':     '1000000000000000000000',
+    'mether':       '1000000000000000000000000',
+    'gether':       '1000000000000000000000000000',
+    'tether':       '1000000000000000000000000000000'
 };
 
 /**
@@ -870,7 +926,7 @@ var padLeft = function (string, chars, sign) {
     return new Array(chars - string.length + 1).join(sign ? sign : "0") + string;
 };
 
-/** 
+/**
  * Should be called to get sting from it's hex representation
  *
  * @method toAscii
@@ -895,9 +951,9 @@ var toAscii = function(hex) {
 
     return str;
 };
-    
+
 /**
- * Shold be called to get hex representation (prefixed by 0x) of ascii string 
+ * Shold be called to get hex representation (prefixed by 0x) of ascii string
  *
  * @method toHexNative
  * @param {String} string
@@ -914,7 +970,7 @@ var toHexNative = function(str) {
 };
 
 /**
- * Shold be called to get hex representation (prefixed by 0x) of ascii string 
+ * Shold be called to get hex representation (prefixed by 0x) of ascii string
  *
  * @method fromAscii
  * @param {String} string
@@ -947,13 +1003,13 @@ var transformToFullName = function (json) {
 
 /**
  * Should be called to get display name of contract function
- * 
+ *
  * @method extractDisplayName
  * @param {String} name of function/event
  * @returns {String} display name for function/event eg. multiply(uint256) -> multiply
  */
 var extractDisplayName = function (name) {
-    var length = name.indexOf('('); 
+    var length = name.indexOf('(');
     return length !== -1 ? name.substr(0, length) : name;
 };
 
@@ -1042,13 +1098,14 @@ var getValueOfUnit = function (unit) {
  * Takes a number of wei and converts it to any other ether unit.
  *
  * Possible units are:
- * - kwei/ada
- * - mwei/babbage
- * - gwei/shannon
- * - szabo
- * - finney
- * - ether
- * - kether/grand/einstein
+ *   SI Short   SI Full        Effigy       Other
+ * - kwei       femtoether     ada
+ * - mwei       picoether      babbage
+ * - gwei       nanoether      shannon      nano
+ * - --         microether     szabo        micro
+ * - --         milliether     finney       milli
+ * - ether      --             --
+ * - kether                    einstein     grand
  * - mether
  * - gether
  * - tether
@@ -1061,20 +1118,21 @@ var getValueOfUnit = function (unit) {
 var fromWei = function(number, unit) {
     var returnValue = toBigNumber(number).dividedBy(getValueOfUnit(unit));
 
-    return isBigNumber(number) ? returnValue : returnValue.toString(10); 
+    return isBigNumber(number) ? returnValue : returnValue.toString(10);
 };
 
 /**
  * Takes a number of a unit and converts it to wei.
  *
  * Possible units are:
- * - kwei/ada
- * - mwei/babbage
- * - gwei/shannon
- * - szabo
- * - finney
- * - ether
- * - kether/grand/einstein
+ *   SI Short   SI Full        Effigy       Other
+ * - kwei       femtoether     ada
+ * - mwei       picoether      babbage
+ * - gwei       nanoether      shannon      nano
+ * - --         microether     szabo        micro
+ * - --         milliether     finney       milli
+ * - ether      --             --
+ * - kether                    einstein     grand
  * - mether
  * - gether
  * - tether
@@ -1087,7 +1145,7 @@ var fromWei = function(number, unit) {
 var toWei = function(number, unit) {
     var returnValue = toBigNumber(number).times(getValueOfUnit(unit));
 
-    return isBigNumber(number) ? returnValue : returnValue.toString(10); 
+    return isBigNumber(number) ? returnValue : returnValue.toString(10);
 };
 
 /**
@@ -1106,7 +1164,7 @@ var toBigNumber = function(number) {
     if (isString(number) && (number.indexOf('0x') === 0 || number.indexOf('-0x') === 0)) {
         return new BigNumber(number.replace('0x',''), 16);
     }
-   
+
     return new BigNumber(number.toString(10), 10);
 };
 
@@ -1158,7 +1216,7 @@ var toAddress = function (address) {
     if (isStrictAddress(address)) {
         return address;
     }
-    
+
     if (/^[0-9a-f]{40}$/.test(address)) {
         return '0x' + address;
     }
@@ -1172,7 +1230,7 @@ var toAddress = function (address) {
  *
  * @method isBigNumber
  * @param {Object}
- * @return {Boolean} 
+ * @return {Boolean}
  */
 var isBigNumber = function (object) {
     return object instanceof BigNumber ||
@@ -1181,7 +1239,7 @@ var isBigNumber = function (object) {
 
 /**
  * Returns true if object is string, otherwise false
- * 
+ *
  * @method isString
  * @param {Object}
  * @return {Boolean}
@@ -1232,12 +1290,12 @@ var isBoolean = function (object) {
  * @return {Boolean}
  */
 var isArray = function (object) {
-    return object instanceof Array; 
+    return object instanceof Array;
 };
 
 /**
  * Returns true if given string is valid json object
- * 
+ *
  * @method isJson
  * @param {String}
  * @return {Boolean}
@@ -1250,6 +1308,18 @@ var isJson = function (str) {
     }
 };
 
+/**
+ * This method should be called to check if string is valid ethereum IBAN number
+ * Supports direct and indirect IBANs
+ *
+ * @method isIBAN
+ * @param {String}
+ * @return {Boolean}
+ */
+var isIBAN = function (iban) {
+    return /^XE[0-9]{2}(ETH[0-9A-Z]{13}|[0-9A-Z]{30})$/.test(iban);
+};
+
 module.exports = {
     padLeft: padLeft,
     toHex: toHex,
@@ -1273,16 +1343,17 @@ module.exports = {
     isObject: isObject,
     isBoolean: isBoolean,
     isArray: isArray,
-    isJson: isJson
+    isJson: isJson,
+    isIBAN: isIBAN
 };
 
 
-},{"bignumber.js":"bignumber.js"}],7:[function(require,module,exports){
+},{"bignumber.js":"bignumber.js"}],8:[function(require,module,exports){
 module.exports={
-    "version": "0.4.3"
+    "version": "0.5.0"
 }
 
-},{}],8:[function(require,module,exports){
+},{}],9:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -1320,17 +1391,9 @@ var utils = require('./utils/utils');
 var formatters = require('./web3/formatters');
 var RequestManager = require('./web3/requestmanager');
 var c = require('./utils/config');
-var Method = require('./web3/method');
 var Property = require('./web3/property');
 var Batch = require('./web3/batch');
-
-var web3Methods = [
-    new Method({
-        name: 'sha3',
-        call: 'web3_sha3',
-        params: 1
-    })
-];
+var sha3 = require('./utils/sha3');
 
 var web3Properties = [
     new Property({
@@ -1415,6 +1478,8 @@ web3.toBigNumber = utils.toBigNumber;
 web3.toWei = utils.toWei;
 web3.fromWei = utils.fromWei;
 web3.isAddress = utils.isAddress;
+web3.isIBAN = utils.isIBAN;
+web3.sha3 = sha3;
 web3.createBatch = function () {
     return new Batch();
 };
@@ -1440,8 +1505,24 @@ Object.defineProperty(web3.eth, 'defaultAccount', {
     }
 });
 
+
+// EXTEND
+web3.extend = function(extension){
+    /*jshint maxcomplexity: 6 */
+
+    if(extension.property && !web3[extension.property])
+        web3[extension.property] = {};
+
+    setupMethods(web3[extension.property] || web3, extension.methods || []);
+    setupProperties(web3[extension.property] || web3, extension.properties || []);
+};
+web3.extend.formatters = formatters;
+web3.extend.utils = utils;
+web3.extend.Method = require('./web3/method');
+web3.extend.Property = require('./web3/property');
+
+
 /// setups all api methods
-setupMethods(web3, web3Methods);
 setupProperties(web3, web3Properties);
 setupMethods(web3.net, net.methods);
 setupProperties(web3.net, net.properties);
@@ -1453,7 +1534,7 @@ setupMethods(web3.shh, shh.methods);
 module.exports = web3;
 
 
-},{"./utils/config":5,"./utils/utils":6,"./version.json":7,"./web3/batch":9,"./web3/db":11,"./web3/eth":13,"./web3/filter":15,"./web3/formatters":16,"./web3/method":20,"./web3/net":21,"./web3/property":22,"./web3/requestmanager":24,"./web3/shh":25,"./web3/watches":26}],9:[function(require,module,exports){
+},{"./utils/config":5,"./utils/sha3":6,"./utils/utils":7,"./version.json":8,"./web3/batch":10,"./web3/db":12,"./web3/eth":14,"./web3/filter":16,"./web3/formatters":17,"./web3/method":22,"./web3/net":24,"./web3/property":25,"./web3/requestmanager":27,"./web3/shh":28,"./web3/watches":30}],10:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -1470,7 +1551,7 @@ module.exports = web3;
     You should have received a copy of the GNU Lesser General Public License
     along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
 */
-/** 
+/**
  * @file batch.js
  * @author Marek Kotewicz <marek@ethdev.com>
  * @date 2015
@@ -1510,13 +1591,13 @@ Batch.prototype.execute = function () {
                 requests[index].callback(err, result);
             }
         });
-    }); 
+    });
 };
 
 module.exports = Batch;
 
 
-},{"./requestmanager":24}],10:[function(require,module,exports){
+},{"./requestmanager":27}],11:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -1533,13 +1614,13 @@ module.exports = Batch;
     You should have received a copy of the GNU Lesser General Public License
     along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
 */
-/** 
+/**
  * @file contract.js
  * @author Marek Kotewicz <marek@ethdev.com>
  * @date 2014
  */
 
-var web3 = require('../web3'); 
+var web3 = require('../web3');
 var utils = require('../utils/utils');
 var coder = require('../solidity/coder');
 var SolidityEvent = require('./event');
@@ -1621,7 +1702,7 @@ var ContractFactory = function (abi) {
 
 /**
  * Should be called to create new contract on a blockchain
- * 
+ *
  * @method new
  * @param {Any} contract constructor param1 (optional)
  * @param {Any} contract constructor param2 (optional)
@@ -1654,14 +1735,14 @@ ContractFactory.prototype.new = function () {
         var address = web3.eth.sendTransaction(options);
         return this.at(address);
     }
-  
+
     var self = this;
     web3.eth.sendTransaction(options, function (err, address) {
         if (err) {
             callback(err);
         }
-        self.at(address, callback); 
-    }); 
+        self.at(address, callback);
+    });
 };
 
 /**
@@ -1675,10 +1756,10 @@ ContractFactory.prototype.new = function () {
  */
 ContractFactory.prototype.at = function (address, callback) {
     // TODO: address is required
-    
+
     if (callback) {
         callback(null, new Contract(this.abi, address));
-    } 
+    }
     return new Contract(this.abi, address);
 };
 
@@ -1698,7 +1779,7 @@ var Contract = function (abi, address) {
 module.exports = contract;
 
 
-},{"../solidity/coder":1,"../utils/utils":6,"../web3":8,"./event":14,"./function":17}],11:[function(require,module,exports){
+},{"../solidity/coder":1,"../utils/utils":7,"../web3":9,"./event":15,"./function":18}],12:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -1756,7 +1837,7 @@ module.exports = {
     methods: methods
 };
 
-},{"./method":20}],12:[function(require,module,exports){
+},{"./method":22}],13:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -1773,7 +1854,7 @@ module.exports = {
     You should have received a copy of the GNU Lesser General Public License
     along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
 */
-/** 
+/**
  * @file errors.js
  * @author Marek Kotewicz <marek@ethdev.com>
  * @date 2015
@@ -1796,7 +1877,7 @@ module.exports = {
 };
 
 
-},{}],13:[function(require,module,exports){
+},{}],14:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -2073,7 +2154,7 @@ module.exports = {
 };
 
 
-},{"../utils/utils":6,"./formatters":16,"./method":20,"./property":22}],14:[function(require,module,exports){
+},{"../utils/utils":7,"./formatters":17,"./method":22,"./property":25}],15:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -2090,7 +2171,7 @@ module.exports = {
     You should have received a copy of the GNU Lesser General Public License
     along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
 */
-/** 
+/**
  * @file event.js
  * @author Marek Kotewicz <marek@ethdev.com>
  * @date 2014
@@ -2100,6 +2181,7 @@ var utils = require('../utils/utils');
 var coder = require('../solidity/coder');
 var web3 = require('../web3');
 var formatters = require('./formatters');
+var sha3 = require('../utils/sha3');
 
 /**
  * This prototype should be used to create event filters
@@ -2153,12 +2235,12 @@ SolidityEvent.prototype.typeName = function () {
  * @return {String} event signature
  */
 SolidityEvent.prototype.signature = function () {
-    return web3.sha3(web3.fromAscii(this._name)).slice(2);
+    return sha3(this._name);
 };
 
 /**
  * Should be used to encode indexed params and options to one final object
- * 
+ *
  * @method encode
  * @param {Object} indexed
  * @param {Object} options
@@ -2189,7 +2271,7 @@ SolidityEvent.prototype.encode = function (indexed, options) {
         if (value === undefined || value === null) {
             return null;
         }
-        
+
         if (utils.isArray(value)) {
             return value.map(function (v) {
                 return '0x' + coder.encodeParam(i.type, v);
@@ -2211,17 +2293,17 @@ SolidityEvent.prototype.encode = function (indexed, options) {
  * @return {Object} result object with decoded indexed && not indexed params
  */
 SolidityEvent.prototype.decode = function (data) {
- 
+
     data.data = data.data || '';
     data.topics = data.topics || [];
 
     var argTopics = this._anonymous ? data.topics : data.topics.slice(1);
     var indexedData = argTopics.map(function (topics) { return topics.slice(2); }).join("");
-    var indexedParams = coder.decodeParams(this.types(true), indexedData); 
+    var indexedParams = coder.decodeParams(this.types(true), indexedData);
 
     var notIndexedData = data.data.slice(2);
     var notIndexedParams = coder.decodeParams(this.types(false), notIndexedData);
-    
+
     var result = formatters.outputLogFormatter(data);
     result.event = this.displayName();
     result.address = data.address;
@@ -2269,7 +2351,7 @@ SolidityEvent.prototype.attachToContract = function (contract) {
 module.exports = SolidityEvent;
 
 
-},{"../solidity/coder":1,"../utils/utils":6,"../web3":8,"./formatters":16}],15:[function(require,module,exports){
+},{"../solidity/coder":1,"../utils/sha3":6,"../utils/utils":7,"../web3":9,"./formatters":17}],16:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -2326,7 +2408,7 @@ var getOptions = function (options) {
 
     if (utils.isString(options)) {
         return options;
-    } 
+    }
 
     options = options || {};
 
@@ -2342,8 +2424,8 @@ var getOptions = function (options) {
         to: options.to,
         address: options.address,
         fromBlock: formatters.inputBlockNumberFormatter(options.fromBlock),
-        toBlock: formatters.inputBlockNumberFormatter(options.toBlock) 
-    }; 
+        toBlock: formatters.inputBlockNumberFormatter(options.toBlock)
+    };
 };
 
 var Filter = function (options, methods, formatter) {
@@ -2426,7 +2508,7 @@ Filter.prototype.get = function (callback) {
 module.exports = Filter;
 
 
-},{"../utils/utils":6,"./formatters":16,"./requestmanager":24}],16:[function(require,module,exports){
+},{"../utils/utils":7,"./formatters":17,"./requestmanager":27}],17:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -2443,7 +2525,7 @@ module.exports = Filter;
     You should have received a copy of the GNU Lesser General Public License
     along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
 */
-/** 
+/**
  * @file formatters.js
  * @author Marek Kotewicz <marek@ethdev.com>
  * @author Fabian Vogelsteller <fabian@ethdev.com>
@@ -2507,12 +2589,12 @@ var inputTransactionFormatter = function (options){
         options[key] = utils.fromDecimal(options[key]);
     });
 
-    return options; 
+    return options;
 };
 
 /**
  * Formats the output of a transaction to its proper values
- * 
+ *
  * @method outputTransactionFormatter
  * @param {Object} transaction
  * @returns {Object} transaction
@@ -2531,7 +2613,7 @@ var outputTransactionFormatter = function (tx){
  * Formats the output of a block to its proper values
  *
  * @method outputBlockFormatter
- * @param {Object} block object 
+ * @param {Object} block object
  * @returns {Object} block object
 */
 var outputBlockFormatter = function(block) {
@@ -2558,7 +2640,7 @@ var outputBlockFormatter = function(block) {
 
 /**
  * Formats the output of a log
- * 
+ *
  * @method outputLogFormatter
  * @param {Object} log object
  * @returns {Object} log
@@ -2599,7 +2681,7 @@ var inputPostFormatter = function(post) {
         return utils.fromAscii(topic);
     });
 
-    return post; 
+    return post;
 };
 
 /**
@@ -2646,7 +2728,7 @@ module.exports = {
 };
 
 
-},{"../utils/config":5,"../utils/utils":6}],17:[function(require,module,exports){
+},{"../utils/config":5,"../utils/utils":7}],18:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -2672,6 +2754,7 @@ module.exports = {
 var web3 = require('../web3');
 var coder = require('../solidity/coder');
 var utils = require('../utils/utils');
+var sha3 = require('../utils/sha3');
 
 /**
  * This prototype should be used to call/sendTransaction to solidity functions
@@ -2718,12 +2801,12 @@ SolidityFunction.prototype.toPayload = function (args) {
  * @return {String} function signature
  */
 SolidityFunction.prototype.signature = function () {
-    return web3.sha3(web3.fromAscii(this._name)).slice(2, 10);
+    return sha3(this._name).slice(0, 8);
 };
 
 
 SolidityFunction.prototype.unpackOutput = function (output) {
-    if (output === null) {
+    if (!output) {
         return;
     }
 
@@ -2743,15 +2826,15 @@ SolidityFunction.prototype.unpackOutput = function (output) {
  * @return {String} output bytes
  */
 SolidityFunction.prototype.call = function () {
-    var args = Array.prototype.slice.call(arguments);
+    var args = Array.prototype.slice.call(arguments).filter(function (a) {return a !== undefined; });
     var callback = this.extractCallback(args);
     var payload = this.toPayload(args);
 
     if (!callback) {
         var output = web3.eth.call(payload);
         return this.unpackOutput(output);
-    } 
-        
+    }
+
     var self = this;
     web3.eth.call(payload, function (error, output) {
         callback(error, self.unpackOutput(output));
@@ -2765,18 +2848,35 @@ SolidityFunction.prototype.call = function () {
  * @param {Object} options
  */
 SolidityFunction.prototype.sendTransaction = function () {
-    var args = Array.prototype.slice.call(arguments);
+    var args = Array.prototype.slice.call(arguments).filter(function (a) {return a !== undefined; });
     var callback = this.extractCallback(args);
     var payload = this.toPayload(args);
 
     if (!callback) {
-        web3.eth.sendTransaction(payload);
-        return;
+        return web3.eth.sendTransaction(payload);
     }
 
     web3.eth.sendTransaction(payload, callback);
 };
 
+/**
+ * Should be used to estimateGas of solidity function
+ *
+ * @method estimateGas
+ * @param {Object} options
+ */
+SolidityFunction.prototype.estimateGas = function () {
+    var args = Array.prototype.slice.call(arguments);
+    var callback = this.extractCallback(args);
+    var payload = this.toPayload(args);
+
+    if (!callback) {
+        return web3.eth.estimateGas(payload);
+    }
+
+    web3.eth.estimateGas(payload, callback);
+};
+
 /**
  * Should be used to get function display name
  *
@@ -2808,10 +2908,10 @@ SolidityFunction.prototype.request = function () {
     var callback = this.extractCallback(args);
     var payload = this.toPayload(args);
     var format = this.unpackOutput.bind(this);
-    
+
     return {
         callback: callback,
-        payload: payload, 
+        payload: payload,
         format: format
     };
 };
@@ -2844,6 +2944,7 @@ SolidityFunction.prototype.attachToContract = function (contract) {
     execute.request = this.request.bind(this);
     execute.call = this.call.bind(this);
     execute.sendTransaction = this.sendTransaction.bind(this);
+    execute.estimateGas = this.estimateGas.bind(this);
     var displayName = this.displayName();
     if (!contract[displayName]) {
         contract[displayName] = execute;
@@ -2854,7 +2955,7 @@ SolidityFunction.prototype.attachToContract = function (contract) {
 module.exports = SolidityFunction;
 
 
-},{"../solidity/coder":1,"../utils/utils":6,"../web3":8}],18:[function(require,module,exports){
+},{"../solidity/coder":1,"../utils/sha3":6,"../utils/utils":7,"../web3":9}],19:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -2892,7 +2993,7 @@ HttpProvider.prototype.send = function (payload) {
     var request = new XMLHttpRequest();
 
     request.open('POST', this.host, false);
-    
+
     try {
         request.send(JSON.stringify(payload));
     } catch(error) {
@@ -2911,7 +3012,7 @@ HttpProvider.prototype.send = function (payload) {
     try {
         result = JSON.parse(result);
     } catch(e) {
-        throw errors.InvalidResponse(result);                
+        throw errors.InvalidResponse(result);
     }
 
     return result;
@@ -2927,7 +3028,7 @@ HttpProvider.prototype.sendAsync = function (payload, callback) {
             try {
                 result = JSON.parse(result);
             } catch(e) {
-                error = errors.InvalidResponse(result);                
+                error = errors.InvalidResponse(result);
             }
 
             callback(error, result);
@@ -2946,7 +3047,117 @@ HttpProvider.prototype.sendAsync = function (payload, callback) {
 module.exports = HttpProvider;
 
 
-},{"./errors":12,"xmlhttprequest":4}],19:[function(require,module,exports){
+},{"./errors":13,"xmlhttprequest":4}],20:[function(require,module,exports){
+/*
+    This file is part of ethereum.js.
+
+    ethereum.js is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    ethereum.js is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/**
+ * @file icap.js
+ * @author Marek Kotewicz <marek@ethdev.com>
+ * @date 2015
+ */
+
+var utils = require('../utils/utils');
+
+/**
+ * This prototype should be used to extract necessary information from iban address
+ *
+ * @param {String} iban
+ */
+var ICAP = function (iban) {
+    this._iban = iban;
+};
+
+/**
+ * Should be called to check if icap is correct
+ *
+ * @method isValid
+ * @returns {Boolean} true if it is, otherwise false
+ */
+ICAP.prototype.isValid = function () {
+    return utils.isIBAN(this._iban);
+};
+
+/**
+ * Should be called to check if iban number is direct
+ *
+ * @method isDirect
+ * @returns {Boolean} true if it is, otherwise false
+ */
+ICAP.prototype.isDirect = function () {
+    return this._iban.length === 34;
+};
+
+/**
+ * Should be called to check if iban number if indirect
+ *
+ * @method isIndirect
+ * @returns {Boolean} true if it is, otherwise false
+ */
+ICAP.prototype.isIndirect = function () {
+    return this._iban.length === 20;
+};
+
+/**
+ * Should be called to get iban checksum
+ * Uses the mod-97-10 checksumming protocol (ISO/IEC 7064:2003)
+ *
+ * @method checksum
+ * @returns {String} checksum
+ */
+ICAP.prototype.checksum = function () {
+    return this._iban.substr(2, 2);
+};
+
+/**
+ * Should be called to get institution identifier
+ * eg. XREG
+ *
+ * @method institution
+ * @returns {String} institution identifier
+ */
+ICAP.prototype.institution = function () {
+    return this.isIndirect() ? this._iban.substr(7, 4) : '';
+};
+
+/**
+ * Should be called to get client identifier within institution
+ * eg. GAVOFYORK
+ *
+ * @method client
+ * @returns {String} client identifier
+ */
+ICAP.prototype.client = function () {
+    return this.isIndirect() ? this._iban.substr(11) : '';
+};
+
+/**
+ * Should be called to get client direct address
+ *
+ * @method address
+ * @returns {String} client direct address
+ */
+ICAP.prototype.address = function () {
+    return this.isDirect() ? this._iban.substr(4) : '';
+};
+
+module.exports = ICAP;
+
+
+},{"../utils/utils":7}],21:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -3039,7 +3250,7 @@ Jsonrpc.prototype.toBatchPayload = function (messages) {
 module.exports = Jsonrpc;
 
 
-},{}],20:[function(require,module,exports){
+},{}],22:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -3100,7 +3311,7 @@ Method.prototype.extractCallback = function (args) {
 
 /**
  * Should be called to check if the number of arguments is correct
- * 
+ *
  * @method validateArgs
  * @param {Array} arguments
  * @throws {Error} if it is not
@@ -3113,7 +3324,7 @@ Method.prototype.validateArgs = function (args) {
 
 /**
  * Should be called to format input args of method
- * 
+ *
  * @method formatInput
  * @param {Array}
  * @return {Array}
@@ -3141,7 +3352,7 @@ Method.prototype.formatOutput = function (result) {
 
 /**
  * Should attach function to method
- * 
+ *
  * @method attachToObject
  * @param {Object}
  * @param {Function}
@@ -3155,7 +3366,7 @@ Method.prototype.attachToObject = function (obj) {
         obj[name[0]] = obj[name[0]] || {};
         obj[name[0]][name[1]] = func;
     } else {
-        obj[name[0]] = func; 
+        obj[name[0]] = func;
     }
 };
 
@@ -3213,7 +3424,55 @@ Method.prototype.send = function () {
 module.exports = Method;
 
 
-},{"../utils/utils":6,"./errors":12,"./requestmanager":24}],21:[function(require,module,exports){
+},{"../utils/utils":7,"./errors":13,"./requestmanager":27}],23:[function(require,module,exports){
+/*
+    This file is part of ethereum.js.
+
+    ethereum.js is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    ethereum.js is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/**
+ * @file namereg.js
+ * @author Marek Kotewicz <marek@ethdev.com>
+ * @date 2015
+ */
+
+var contract = require('./contract');
+
+var address = '0xc6d9d2cd449a754c494264e1809c50e34d64562b';
+
+var abi = [
+    {"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"name","outputs":[{"name":"o_name","type":"bytes32"}],"type":"function"},
+    {"constant":true,"inputs":[{"name":"_name","type":"bytes32"}],"name":"owner","outputs":[{"name":"","type":"address"}],"type":"function"},
+    {"constant":true,"inputs":[{"name":"_name","type":"bytes32"}],"name":"content","outputs":[{"name":"","type":"bytes32"}],"type":"function"},
+    {"constant":true,"inputs":[{"name":"_name","type":"bytes32"}],"name":"addr","outputs":[{"name":"","type":"address"}],"type":"function"},
+    {"constant":false,"inputs":[{"name":"_name","type":"bytes32"}],"name":"reserve","outputs":[],"type":"function"},
+    {"constant":true,"inputs":[{"name":"_name","type":"bytes32"}],"name":"subRegistrar","outputs":[{"name":"o_subRegistrar","type":"address"}],"type":"function"},
+    {"constant":false,"inputs":[{"name":"_name","type":"bytes32"},{"name":"_newOwner","type":"address"}],"name":"transfer","outputs":[],"type":"function"},
+    {"constant":false,"inputs":[{"name":"_name","type":"bytes32"},{"name":"_registrar","type":"address"}],"name":"setSubRegistrar","outputs":[],"type":"function"},
+    {"constant":false,"inputs":[],"name":"Registrar","outputs":[],"type":"function"},
+    {"constant":false,"inputs":[{"name":"_name","type":"bytes32"},{"name":"_a","type":"address"},{"name":"_primary","type":"bool"}],"name":"setAddress","outputs":[],"type":"function"},
+    {"constant":false,"inputs":[{"name":"_name","type":"bytes32"},{"name":"_content","type":"bytes32"}],"name":"setContent","outputs":[],"type":"function"},
+    {"constant":false,"inputs":[{"name":"_name","type":"bytes32"}],"name":"disown","outputs":[],"type":"function"},
+    {"constant":true,"inputs":[{"name":"_name","type":"bytes32"}],"name":"register","outputs":[{"name":"","type":"address"}],"type":"function"},
+    {"anonymous":false,"inputs":[{"indexed":true,"name":"name","type":"bytes32"}],"name":"Changed","type":"event"},
+    {"anonymous":false,"inputs":[{"indexed":true,"name":"name","type":"bytes32"},{"indexed":true,"name":"addr","type":"address"}],"name":"PrimaryChanged","type":"event"}
+];
+
+module.exports = contract(abi).at(address);
+
+
+},{"./contract":11}],24:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -3263,7 +3522,7 @@ module.exports = {
 };
 
 
-},{"../utils/utils":6,"./property":22}],22:[function(require,module,exports){
+},{"../utils/utils":7,"./property":25}],25:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -3299,7 +3558,7 @@ var Property = function (options) {
 
 /**
  * Should be called to format input args of method
- * 
+ *
  * @method formatInput
  * @param {Array}
  * @return {Array}
@@ -3321,7 +3580,7 @@ Property.prototype.formatOutput = function (result) {
 
 /**
  * Should attach function to method
- * 
+ *
  * @method attachToObject
  * @param {Object}
  * @param {Function}
@@ -3338,7 +3597,7 @@ Property.prototype.attachToObject = function (obj) {
         obj = obj[names[0]];
         name = names[1];
     }
-    
+
     Object.defineProperty(obj, name, proto);
 
     var toAsyncName = function (prefix, name) {
@@ -3381,7 +3640,7 @@ Property.prototype.getAsync = function (callback) {
 module.exports = Property;
 
 
-},{"./requestmanager":24}],23:[function(require,module,exports){
+},{"./requestmanager":27}],26:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -3416,7 +3675,7 @@ QtSyncProvider.prototype.send = function (payload) {
 module.exports = QtSyncProvider;
 
 
-},{}],24:[function(require,module,exports){
+},{}],27:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -3433,7 +3692,7 @@ module.exports = QtSyncProvider;
     You should have received a copy of the GNU Lesser General Public License
     along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
 */
-/** 
+/**
  * @file requestmanager.js
  * @author Jeffrey Wilcke <jeff@ethdev.com>
  * @author Marek Kotewicz <marek@ethdev.com>
@@ -3515,7 +3774,7 @@ RequestManager.prototype.sendAsync = function (data, callback) {
         if (err) {
             return callback(err);
         }
-        
+
         if (!Jsonrpc.getInstance().isValidResponse(result)) {
             return callback(errors.InvalidResponse(result));
         }
@@ -3548,7 +3807,7 @@ RequestManager.prototype.sendBatch = function (data, callback) {
         }
 
         callback(err, results);
-    }); 
+    });
 };
 
 /**
@@ -3601,7 +3860,7 @@ RequestManager.prototype.stopPolling = function (pollId) {
  */
 RequestManager.prototype.reset = function () {
     this.polls.forEach(function (poll) {
-        poll.uninstall(poll.id); 
+        poll.uninstall(poll.id);
     });
     this.polls = [];
 
@@ -3639,7 +3898,7 @@ RequestManager.prototype.poll = function () {
         if (error) {
             return;
         }
-            
+
         if (!utils.isArray(results)) {
             throw errors.InvalidResponse(results);
         }
@@ -3664,7 +3923,7 @@ RequestManager.prototype.poll = function () {
 module.exports = RequestManager;
 
 
-},{"../utils/config":5,"../utils/utils":6,"./errors":12,"./jsonrpc":19}],25:[function(require,module,exports){
+},{"../utils/config":5,"../utils/utils":7,"./errors":13,"./jsonrpc":21}],28:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -3691,8 +3950,8 @@ var Method = require('./method');
 var formatters = require('./formatters');
 
 var post = new Method({
-    name: 'post', 
-    call: 'shh_post', 
+    name: 'post',
+    call: 'shh_post',
     params: 1,
     inputFormatter: [formatters.inputPostFormatter]
 });
@@ -3734,7 +3993,7 @@ module.exports = {
 };
 
 
-},{"./formatters":16,"./method":20}],26:[function(require,module,exports){
+},{"./formatters":17,"./method":22}],29:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -3751,54 +4010,150 @@ module.exports = {
     You should have received a copy of the GNU Lesser General Public License
     along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
 */
-/** @file watches.js
- * @authors:
- *   Marek Kotewicz <marek@ethdev.com>
+/**
+ * @file transfer.js
+ * @author Marek Kotewicz <marek@ethdev.com>
  * @date 2015
  */
 
-var Method = require('./method');
+var web3 = require('../web3');
+var ICAP = require('./icap');
+var namereg = require('./namereg');
+var contract = require('./contract');
 
-/// @returns an array of objects describing web3.eth.filter api methods
-var eth = function () {
-    var newFilterCall = function (args) {
-        var type = args[0];
+/**
+ * Should be used to make ICAP transfer
+ *
+ * @method transfer
+ * @param {String} iban number
+ * @param {String} from (address)
+ * @param {Value} value to be tranfered
+ * @param {Function} callback, callback
+ */
+var transfer = function (from, iban, value, callback) {
+    var icap = new ICAP(iban);
+    if (!icap.isValid()) {
+        throw new Error('invalid iban address');
+    }
 
-        switch(type) {
-            case 'latest':
-                args.pop();
-                this.params = 0;
-                return 'eth_newBlockFilter';
-            case 'pending':
-                args.pop();
-                this.params = 0;
-                return 'eth_newPendingTransactionFilter';
-            default:
-                return 'eth_newFilter';
-        }
-    };
+    if (icap.isDirect()) {
+        return transferToAddress(from, icap.address(), value, callback);
+    }
 
-    var newFilter = new Method({
-        name: 'newFilter',
-        call: newFilterCall,
-        params: 1
-    });
+    if (!callback) {
+        var address = namereg.addr(icap.institution());
+        return deposit(from, address, value, icap.client());
+    }
 
-    var uninstallFilter = new Method({
-        name: 'uninstallFilter',
-        call: 'eth_uninstallFilter',
-        params: 1
+    namereg.addr(icap.insitution(), function (err, address) {
+        return deposit(from, address, value, icap.client(), callback);
     });
 
-    var getLogs = new Method({
-        name: 'getLogs',
-        call: 'eth_getFilterLogs',
-        params: 1
-    });
+};
 
-    var poll = new Method({
-        name: 'poll',
-        call: 'eth_getFilterChanges',
+/**
+ * Should be used to transfer funds to certain address
+ *
+ * @method transferToAddress
+ * @param {String} address
+ * @param {String} from (address)
+ * @param {Value} value to be tranfered
+ * @param {Function} callback, callback
+ */
+var transferToAddress = function (from, address, value, callback) {
+    return web3.eth.sendTransaction({
+        address: address,
+        from: from,
+        value: value
+    }, callback);
+};
+
+/**
+ * Should be used to deposit funds to generic Exchange contract (must implement deposit(bytes32) method!)
+ *
+ * @method deposit
+ * @param {String} address
+ * @param {String} from (address)
+ * @param {Value} value to be tranfered
+ * @param {String} client unique identifier
+ * @param {Function} callback, callback
+ */
+var deposit = function (from, address, value, client, callback) {
+    var abi = [{"constant":false,"inputs":[{"name":"name","type":"bytes32"}],"name":"deposit","outputs":[],"type":"function"}];
+    return contract(abi).at(address).deposit(client, {
+        from: from,
+        value: value
+    }, callback);
+};
+
+module.exports = transfer;
+
+
+},{"../web3":9,"./contract":11,"./icap":20,"./namereg":23}],30:[function(require,module,exports){
+/*
+    This file is part of ethereum.js.
+
+    ethereum.js is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    ethereum.js is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file watches.js
+ * @authors:
+ *   Marek Kotewicz <marek@ethdev.com>
+ * @date 2015
+ */
+
+var Method = require('./method');
+
+/// @returns an array of objects describing web3.eth.filter api methods
+var eth = function () {
+    var newFilterCall = function (args) {
+        var type = args[0];
+
+        switch(type) {
+            case 'latest':
+                args.pop();
+                this.params = 0;
+                return 'eth_newBlockFilter';
+            case 'pending':
+                args.pop();
+                this.params = 0;
+                return 'eth_newPendingTransactionFilter';
+            default:
+                return 'eth_newFilter';
+        }
+    };
+
+    var newFilter = new Method({
+        name: 'newFilter',
+        call: newFilterCall,
+        params: 1
+    });
+
+    var uninstallFilter = new Method({
+        name: 'uninstallFilter',
+        call: 'eth_uninstallFilter',
+        params: 1
+    });
+
+    var getLogs = new Method({
+        name: 'getLogs',
+        call: 'eth_getFilterLogs',
+        params: 1
+    });
+
+    var poll = new Method({
+        name: 'poll',
+        call: 'eth_getFilterChanges',
         params: 1
     });
 
@@ -3850,19 +4205,4075 @@ module.exports = {
 };
 
 
-},{"./method":20}],27:[function(require,module,exports){
+},{"./method":22}],31:[function(require,module,exports){
+
+},{}],32:[function(require,module,exports){
+;(function (root, factory) {
+	if (typeof exports === "object") {
+		// CommonJS
+		module.exports = exports = factory();
+	}
+	else if (typeof define === "function" && define.amd) {
+		// AMD
+		define([], factory);
+	}
+	else {
+		// Global (browser)
+		root.CryptoJS = factory();
+	}
+}(this, function () {
+
+	/**
+	 * CryptoJS core components.
+	 */
+	var CryptoJS = CryptoJS || (function (Math, undefined) {
+	    /**
+	     * CryptoJS namespace.
+	     */
+	    var C = {};
+
+	    /**
+	     * Library namespace.
+	     */
+	    var C_lib = C.lib = {};
+
+	    /**
+	     * Base object for prototypal inheritance.
+	     */
+	    var Base = C_lib.Base = (function () {
+	        function F() {}
+
+	        return {
+	            /**
+	             * Creates a new object that inherits from this object.
+	             *
+	             * @param {Object} overrides Properties to copy into the new object.
+	             *
+	             * @return {Object} The new object.
+	             *
+	             * @static
+	             *
+	             * @example
+	             *
+	             *     var MyType = CryptoJS.lib.Base.extend({
+	             *         field: 'value',
+	             *
+	             *         method: function () {
+	             *         }
+	             *     });
+	             */
+	            extend: function (overrides) {
+	                // Spawn
+	                F.prototype = this;
+	                var subtype = new F();
+
+	                // Augment
+	                if (overrides) {
+	                    subtype.mixIn(overrides);
+	                }
+
+	                // Create default initializer
+	                if (!subtype.hasOwnProperty('init')) {
+	                    subtype.init = function () {
+	                        subtype.$super.init.apply(this, arguments);
+	                    };
+	                }
+
+	                // Initializer's prototype is the subtype object
+	                subtype.init.prototype = subtype;
+
+	                // Reference supertype
+	                subtype.$super = this;
+
+	                return subtype;
+	            },
+
+	            /**
+	             * Extends this object and runs the init method.
+	             * Arguments to create() will be passed to init().
+	             *
+	             * @return {Object} The new object.
+	             *
+	             * @static
+	             *
+	             * @example
+	             *
+	             *     var instance = MyType.create();
+	             */
+	            create: function () {
+	                var instance = this.extend();
+	                instance.init.apply(instance, arguments);
+
+	                return instance;
+	            },
+
+	            /**
+	             * Initializes a newly created object.
+	             * Override this method to add some logic when your objects are created.
+	             *
+	             * @example
+	             *
+	             *     var MyType = CryptoJS.lib.Base.extend({
+	             *         init: function () {
+	             *             // ...
+	             *         }
+	             *     });
+	             */
+	            init: function () {
+	            },
+
+	            /**
+	             * Copies properties into this object.
+	             *
+	             * @param {Object} properties The properties to mix in.
+	             *
+	             * @example
+	             *
+	             *     MyType.mixIn({
+	             *         field: 'value'
+	             *     });
+	             */
+	            mixIn: function (properties) {
+	                for (var propertyName in properties) {
+	                    if (properties.hasOwnProperty(propertyName)) {
+	                        this[propertyName] = properties[propertyName];
+	                    }
+	                }
+
+	                // IE won't copy toString using the loop above
+	                if (properties.hasOwnProperty('toString')) {
+	                    this.toString = properties.toString;
+	                }
+	            },
+
+	            /**
+	             * Creates a copy of this object.
+	             *
+	             * @return {Object} The clone.
+	             *
+	             * @example
+	             *
+	             *     var clone = instance.clone();
+	             */
+	            clone: function () {
+	                return this.init.prototype.extend(this);
+	            }
+	        };
+	    }());
+
+	    /**
+	     * An array of 32-bit words.
+	     *
+	     * @property {Array} words The array of 32-bit words.
+	     * @property {number} sigBytes The number of significant bytes in this word array.
+	     */
+	    var WordArray = C_lib.WordArray = Base.extend({
+	        /**
+	         * Initializes a newly created word array.
+	         *
+	         * @param {Array} words (Optional) An array of 32-bit words.
+	         * @param {number} sigBytes (Optional) The number of significant bytes in the words.
+	         *
+	         * @example
+	         *
+	         *     var wordArray = CryptoJS.lib.WordArray.create();
+	         *     var wordArray = CryptoJS.lib.WordArray.create([0x00010203, 0x04050607]);
+	         *     var wordArray = CryptoJS.lib.WordArray.create([0x00010203, 0x04050607], 6);
+	         */
+	        init: function (words, sigBytes) {
+	            words = this.words = words || [];
+
+	            if (sigBytes != undefined) {
+	                this.sigBytes = sigBytes;
+	            } else {
+	                this.sigBytes = words.length * 4;
+	            }
+	        },
+
+	        /**
+	         * Converts this word array to a string.
+	         *
+	         * @param {Encoder} encoder (Optional) The encoding strategy to use. Default: CryptoJS.enc.Hex
+	         *
+	         * @return {string} The stringified word array.
+	         *
+	         * @example
+	         *
+	         *     var string = wordArray + '';
+	         *     var string = wordArray.toString();
+	         *     var string = wordArray.toString(CryptoJS.enc.Utf8);
+	         */
+	        toString: function (encoder) {
+	            return (encoder || Hex).stringify(this);
+	        },
+
+	        /**
+	         * Concatenates a word array to this word array.
+	         *
+	         * @param {WordArray} wordArray The word array to append.
+	         *
+	         * @return {WordArray} This word array.
+	         *
+	         * @example
+	         *
+	         *     wordArray1.concat(wordArray2);
+	         */
+	        concat: function (wordArray) {
+	            // Shortcuts
+	            var thisWords = this.words;
+	            var thatWords = wordArray.words;
+	            var thisSigBytes = this.sigBytes;
+	            var thatSigBytes = wordArray.sigBytes;
+
+	            // Clamp excess bits
+	            this.clamp();
+
+	            // Concat
+	            if (thisSigBytes % 4) {
+	                // Copy one byte at a time
+	                for (var i = 0; i < thatSigBytes; i++) {
+	                    var thatByte = (thatWords[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff;
+	                    thisWords[(thisSigBytes + i) >>> 2] |= thatByte << (24 - ((thisSigBytes + i) % 4) * 8);
+	                }
+	            } else if (thatWords.length > 0xffff) {
+	                // Copy one word at a time
+	                for (var i = 0; i < thatSigBytes; i += 4) {
+	                    thisWords[(thisSigBytes + i) >>> 2] = thatWords[i >>> 2];
+	                }
+	            } else {
+	                // Copy all words at once
+	                thisWords.push.apply(thisWords, thatWords);
+	            }
+	            this.sigBytes += thatSigBytes;
+
+	            // Chainable
+	            return this;
+	        },
+
+	        /**
+	         * Removes insignificant bits.
+	         *
+	         * @example
+	         *
+	         *     wordArray.clamp();
+	         */
+	        clamp: function () {
+	            // Shortcuts
+	            var words = this.words;
+	            var sigBytes = this.sigBytes;
+
+	            // Clamp
+	            words[sigBytes >>> 2] &= 0xffffffff << (32 - (sigBytes % 4) * 8);
+	            words.length = Math.ceil(sigBytes / 4);
+	        },
+
+	        /**
+	         * Creates a copy of this word array.
+	         *
+	         * @return {WordArray} The clone.
+	         *
+	         * @example
+	         *
+	         *     var clone = wordArray.clone();
+	         */
+	        clone: function () {
+	            var clone = Base.clone.call(this);
+	            clone.words = this.words.slice(0);
+
+	            return clone;
+	        },
+
+	        /**
+	         * Creates a word array filled with random bytes.
+	         *
+	         * @param {number} nBytes The number of random bytes to generate.
+	         *
+	         * @return {WordArray} The random word array.
+	         *
+	         * @static
+	         *
+	         * @example
+	         *
+	         *     var wordArray = CryptoJS.lib.WordArray.random(16);
+	         */
+	        random: function (nBytes) {
+	            var words = [];
+
+	            var r = (function (m_w) {
+	                var m_w = m_w;
+	                var m_z = 0x3ade68b1;
+	                var mask = 0xffffffff;
+
+	                return function () {
+	                    m_z = (0x9069 * (m_z & 0xFFFF) + (m_z >> 0x10)) & mask;
+	                    m_w = (0x4650 * (m_w & 0xFFFF) + (m_w >> 0x10)) & mask;
+	                    var result = ((m_z << 0x10) + m_w) & mask;
+	                    result /= 0x100000000;
+	                    result += 0.5;
+	                    return result * (Math.random() > .5 ? 1 : -1);
+	                }
+	            });
+
+	            for (var i = 0, rcache; i < nBytes; i += 4) {
+	                var _r = r((rcache || Math.random()) * 0x100000000);
+
+	                rcache = _r() * 0x3ade67b7;
+	                words.push((_r() * 0x100000000) | 0);
+	            }
+
+	            return new WordArray.init(words, nBytes);
+	        }
+	    });
+
+	    /**
+	     * Encoder namespace.
+	     */
+	    var C_enc = C.enc = {};
+
+	    /**
+	     * Hex encoding strategy.
+	     */
+	    var Hex = C_enc.Hex = {
+	        /**
+	         * Converts a word array to a hex string.
+	         *
+	         * @param {WordArray} wordArray The word array.
+	         *
+	         * @return {string} The hex string.
+	         *
+	         * @static
+	         *
+	         * @example
+	         *
+	         *     var hexString = CryptoJS.enc.Hex.stringify(wordArray);
+	         */
+	        stringify: function (wordArray) {
+	            // Shortcuts
+	            var words = wordArray.words;
+	            var sigBytes = wordArray.sigBytes;
+
+	            // Convert
+	            var hexChars = [];
+	            for (var i = 0; i < sigBytes; i++) {
+	                var bite = (words[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff;
+	                hexChars.push((bite >>> 4).toString(16));
+	                hexChars.push((bite & 0x0f).toString(16));
+	            }
+
+	            return hexChars.join('');
+	        },
+
+	        /**
+	         * Converts a hex string to a word array.
+	         *
+	         * @param {string} hexStr The hex string.
+	         *
+	         * @return {WordArray} The word array.
+	         *
+	         * @static
+	         *
+	         * @example
+	         *
+	         *     var wordArray = CryptoJS.enc.Hex.parse(hexString);
+	         */
+	        parse: function (hexStr) {
+	            // Shortcut
+	            var hexStrLength = hexStr.length;
+
+	            // Convert
+	            var words = [];
+	            for (var i = 0; i < hexStrLength; i += 2) {
+	                words[i >>> 3] |= parseInt(hexStr.substr(i, 2), 16) << (24 - (i % 8) * 4);
+	            }
+
+	            return new WordArray.init(words, hexStrLength / 2);
+	        }
+	    };
+
+	    /**
+	     * Latin1 encoding strategy.
+	     */
+	    var Latin1 = C_enc.Latin1 = {
+	        /**
+	         * Converts a word array to a Latin1 string.
+	         *
+	         * @param {WordArray} wordArray The word array.
+	         *
+	         * @return {string} The Latin1 string.
+	         *
+	         * @static
+	         *
+	         * @example
+	         *
+	         *     var latin1String = CryptoJS.enc.Latin1.stringify(wordArray);
+	         */
+	        stringify: function (wordArray) {
+	            // Shortcuts
+	            var words = wordArray.words;
+	            var sigBytes = wordArray.sigBytes;
+
+	            // Convert
+	            var latin1Chars = [];
+	            for (var i = 0; i < sigBytes; i++) {
+	                var bite = (words[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff;
+	                latin1Chars.push(String.fromCharCode(bite));
+	            }
+
+	            return latin1Chars.join('');
+	        },
+
+	        /**
+	         * Converts a Latin1 string to a word array.
+	         *
+	         * @param {string} latin1Str The Latin1 string.
+	         *
+	         * @return {WordArray} The word array.
+	         *
+	         * @static
+	         *
+	         * @example
+	         *
+	         *     var wordArray = CryptoJS.enc.Latin1.parse(latin1String);
+	         */
+	        parse: function (latin1Str) {
+	            // Shortcut
+	            var latin1StrLength = latin1Str.length;
+
+	            // Convert
+	            var words = [];
+	            for (var i = 0; i < latin1StrLength; i++) {
+	                words[i >>> 2] |= (latin1Str.charCodeAt(i) & 0xff) << (24 - (i % 4) * 8);
+	            }
+
+	            return new WordArray.init(words, latin1StrLength);
+	        }
+	    };
+
+	    /**
+	     * UTF-8 encoding strategy.
+	     */
+	    var Utf8 = C_enc.Utf8 = {
+	        /**
+	         * Converts a word array to a UTF-8 string.
+	         *
+	         * @param {WordArray} wordArray The word array.
+	         *
+	         * @return {string} The UTF-8 string.
+	         *
+	         * @static
+	         *
+	         * @example
+	         *
+	         *     var utf8String = CryptoJS.enc.Utf8.stringify(wordArray);
+	         */
+	        stringify: function (wordArray) {
+	            try {
+	                return decodeURIComponent(escape(Latin1.stringify(wordArray)));
+	            } catch (e) {
+	                throw new Error('Malformed UTF-8 data');
+	            }
+	        },
+
+	        /**
+	         * Converts a UTF-8 string to a word array.
+	         *
+	         * @param {string} utf8Str The UTF-8 string.
+	         *
+	         * @return {WordArray} The word array.
+	         *
+	         * @static
+	         *
+	         * @example
+	         *
+	         *     var wordArray = CryptoJS.enc.Utf8.parse(utf8String);
+	         */
+	        parse: function (utf8Str) {
+	            return Latin1.parse(unescape(encodeURIComponent(utf8Str)));
+	        }
+	    };
+
+	    /**
+	     * Abstract buffered block algorithm template.
+	     *
+	     * The property blockSize must be implemented in a concrete subtype.
+	     *
+	     * @property {number} _minBufferSize The number of blocks that should be kept unprocessed in the buffer. Default: 0
+	     */
+	    var BufferedBlockAlgorithm = C_lib.BufferedBlockAlgorithm = Base.extend({
+	        /**
+	         * Resets this block algorithm's data buffer to its initial state.
+	         *
+	         * @example
+	         *
+	         *     bufferedBlockAlgorithm.reset();
+	         */
+	        reset: function () {
+	            // Initial values
+	            this._data = new WordArray.init();
+	            this._nDataBytes = 0;
+	        },
+
+	        /**
+	         * Adds new data to this block algorithm's buffer.
+	         *
+	         * @param {WordArray|string} data The data to append. Strings are converted to a WordArray using UTF-8.
+	         *
+	         * @example
+	         *
+	         *     bufferedBlockAlgorithm._append('data');
+	         *     bufferedBlockAlgorithm._append(wordArray);
+	         */
+	        _append: function (data) {
+	            // Convert string to WordArray, else assume WordArray already
+	            if (typeof data == 'string') {
+	                data = Utf8.parse(data);
+	            }
+
+	            // Append
+	            this._data.concat(data);
+	            this._nDataBytes += data.sigBytes;
+	        },
+
+	        /**
+	         * Processes available data blocks.
+	         *
+	         * This method invokes _doProcessBlock(offset), which must be implemented by a concrete subtype.
+	         *
+	         * @param {boolean} doFlush Whether all blocks and partial blocks should be processed.
+	         *
+	         * @return {WordArray} The processed data.
+	         *
+	         * @example
+	         *
+	         *     var processedData = bufferedBlockAlgorithm._process();
+	         *     var processedData = bufferedBlockAlgorithm._process(!!'flush');
+	         */
+	        _process: function (doFlush) {
+	            // Shortcuts
+	            var data = this._data;
+	            var dataWords = data.words;
+	            var dataSigBytes = data.sigBytes;
+	            var blockSize = this.blockSize;
+	            var blockSizeBytes = blockSize * 4;
+
+	            // Count blocks ready
+	            var nBlocksReady = dataSigBytes / blockSizeBytes;
+	            if (doFlush) {
+	                // Round up to include partial blocks
+	                nBlocksReady = Math.ceil(nBlocksReady);
+	            } else {
+	                // Round down to include only full blocks,
+	                // less the number of blocks that must remain in the buffer
+	                nBlocksReady = Math.max((nBlocksReady | 0) - this._minBufferSize, 0);
+	            }
+
+	            // Count words ready
+	            var nWordsReady = nBlocksReady * blockSize;
+
+	            // Count bytes ready
+	            var nBytesReady = Math.min(nWordsReady * 4, dataSigBytes);
+
+	            // Process blocks
+	            if (nWordsReady) {
+	                for (var offset = 0; offset < nWordsReady; offset += blockSize) {
+	                    // Perform concrete-algorithm logic
+	                    this._doProcessBlock(dataWords, offset);
+	                }
+
+	                // Remove processed words
+	                var processedWords = dataWords.splice(0, nWordsReady);
+	                data.sigBytes -= nBytesReady;
+	            }
+
+	            // Return processed words
+	            return new WordArray.init(processedWords, nBytesReady);
+	        },
+
+	        /**
+	         * Creates a copy of this object.
+	         *
+	         * @return {Object} The clone.
+	         *
+	         * @example
+	         *
+	         *     var clone = bufferedBlockAlgorithm.clone();
+	         */
+	        clone: function () {
+	            var clone = Base.clone.call(this);
+	            clone._data = this._data.clone();
+
+	            return clone;
+	        },
+
+	        _minBufferSize: 0
+	    });
+
+	    /**
+	     * Abstract hasher template.
+	     *
+	     * @property {number} blockSize The number of 32-bit words this hasher operates on. Default: 16 (512 bits)
+	     */
+	    var Hasher = C_lib.Hasher = BufferedBlockAlgorithm.extend({
+	        /**
+	         * Configuration options.
+	         */
+	        cfg: Base.extend(),
+
+	        /**
+	         * Initializes a newly created hasher.
+	         *
+	         * @param {Object} cfg (Optional) The configuration options to use for this hash computation.
+	         *
+	         * @example
+	         *
+	         *     var hasher = CryptoJS.algo.SHA256.create();
+	         */
+	        init: function (cfg) {
+	            // Apply config defaults
+	            this.cfg = this.cfg.extend(cfg);
+
+	            // Set initial values
+	            this.reset();
+	        },
+
+	        /**
+	         * Resets this hasher to its initial state.
+	         *
+	         * @example
+	         *
+	         *     hasher.reset();
+	         */
+	        reset: function () {
+	            // Reset data buffer
+	            BufferedBlockAlgorithm.reset.call(this);
+
+	            // Perform concrete-hasher logic
+	            this._doReset();
+	        },
+
+	        /**
+	         * Updates this hasher with a message.
+	         *
+	         * @param {WordArray|string} messageUpdate The message to append.
+	         *
+	         * @return {Hasher} This hasher.
+	         *
+	         * @example
+	         *
+	         *     hasher.update('message');
+	         *     hasher.update(wordArray);
+	         */
+	        update: function (messageUpdate) {
+	            // Append
+	            this._append(messageUpdate);
+
+	            // Update the hash
+	            this._process();
+
+	            // Chainable
+	            return this;
+	        },
+
+	        /**
+	         * Finalizes the hash computation.
+	         * Note that the finalize operation is effectively a destructive, read-once operation.
+	         *
+	         * @param {WordArray|string} messageUpdate (Optional) A final message update.
+	         *
+	         * @return {WordArray} The hash.
+	         *
+	         * @example
+	         *
+	         *     var hash = hasher.finalize();
+	         *     var hash = hasher.finalize('message');
+	         *     var hash = hasher.finalize(wordArray);
+	         */
+	        finalize: function (messageUpdate) {
+	            // Final message update
+	            if (messageUpdate) {
+	                this._append(messageUpdate);
+	            }
+
+	            // Perform concrete-hasher logic
+	            var hash = this._doFinalize();
+
+	            return hash;
+	        },
+
+	        blockSize: 512/32,
+
+	        /**
+	         * Creates a shortcut function to a hasher's object interface.
+	         *
+	         * @param {Hasher} hasher The hasher to create a helper for.
+	         *
+	         * @return {Function} The shortcut function.
+	         *
+	         * @static
+	         *
+	         * @example
+	         *
+	         *     var SHA256 = CryptoJS.lib.Hasher._createHelper(CryptoJS.algo.SHA256);
+	         */
+	        _createHelper: function (hasher) {
+	            return function (message, cfg) {
+	                return new hasher.init(cfg).finalize(message);
+	            };
+	        },
+
+	        /**
+	         * Creates a shortcut function to the HMAC's object interface.
+	         *
+	         * @param {Hasher} hasher The hasher to use in this HMAC helper.
+	         *
+	         * @return {Function} The shortcut function.
+	         *
+	         * @static
+	         *
+	         * @example
+	         *
+	         *     var HmacSHA256 = CryptoJS.lib.Hasher._createHmacHelper(CryptoJS.algo.SHA256);
+	         */
+	        _createHmacHelper: function (hasher) {
+	            return function (message, key) {
+	                return new C_algo.HMAC.init(hasher, key).finalize(message);
+	            };
+	        }
+	    });
+
+	    /**
+	     * Algorithm namespace.
+	     */
+	    var C_algo = C.algo = {};
+
+	    return C;
+	}(Math));
+
+
+	return CryptoJS;
+
+}));
+},{}],33:[function(require,module,exports){
+;(function (root, factory, undef) {
+	if (typeof exports === "object") {
+		// CommonJS
+		module.exports = exports = factory(require("./core"), require("./x64-core"));
+	}
+	else if (typeof define === "function" && define.amd) {
+		// AMD
+		define(["./core", "./x64-core"], factory);
+	}
+	else {
+		// Global (browser)
+		factory(root.CryptoJS);
+	}
+}(this, function (CryptoJS) {
+
+	(function (Math) {
+	    // Shortcuts
+	    var C = CryptoJS;
+	    var C_lib = C.lib;
+	    var WordArray = C_lib.WordArray;
+	    var Hasher = C_lib.Hasher;
+	    var C_x64 = C.x64;
+	    var X64Word = C_x64.Word;
+	    var C_algo = C.algo;
+
+	    // Constants tables
+	    var RHO_OFFSETS = [];
+	    var PI_INDEXES  = [];
+	    var ROUND_CONSTANTS = [];
+
+	    // Compute Constants
+	    (function () {
+	        // Compute rho offset constants
+	        var x = 1, y = 0;
+	        for (var t = 0; t < 24; t++) {
+	            RHO_OFFSETS[x + 5 * y] = ((t + 1) * (t + 2) / 2) % 64;
+
+	            var newX = y % 5;
+	            var newY = (2 * x + 3 * y) % 5;
+	            x = newX;
+	            y = newY;
+	        }
+
+	        // Compute pi index constants
+	        for (var x = 0; x < 5; x++) {
+	            for (var y = 0; y < 5; y++) {
+	                PI_INDEXES[x + 5 * y] = y + ((2 * x + 3 * y) % 5) * 5;
+	            }
+	        }
+
+	        // Compute round constants
+	        var LFSR = 0x01;
+	        for (var i = 0; i < 24; i++) {
+	            var roundConstantMsw = 0;
+	            var roundConstantLsw = 0;
+
+	            for (var j = 0; j < 7; j++) {
+	                if (LFSR & 0x01) {
+	                    var bitPosition = (1 << j) - 1;
+	                    if (bitPosition < 32) {
+	                        roundConstantLsw ^= 1 << bitPosition;
+	                    } else /* if (bitPosition >= 32) */ {
+	                        roundConstantMsw ^= 1 << (bitPosition - 32);
+	                    }
+	                }
+
+	                // Compute next LFSR
+	                if (LFSR & 0x80) {
+	                    // Primitive polynomial over GF(2): x^8 + x^6 + x^5 + x^4 + 1
+	                    LFSR = (LFSR << 1) ^ 0x71;
+	                } else {
+	                    LFSR <<= 1;
+	                }
+	            }
+
+	            ROUND_CONSTANTS[i] = X64Word.create(roundConstantMsw, roundConstantLsw);
+	        }
+	    }());
+
+	    // Reusable objects for temporary values
+	    var T = [];
+	    (function () {
+	        for (var i = 0; i < 25; i++) {
+	            T[i] = X64Word.create();
+	        }
+	    }());
+
+	    /**
+	     * SHA-3 hash algorithm.
+	     */
+	    var SHA3 = C_algo.SHA3 = Hasher.extend({
+	        /**
+	         * Configuration options.
+	         *
+	         * @property {number} outputLength
+	         *   The desired number of bits in the output hash.
+	         *   Only values permitted are: 224, 256, 384, 512.
+	         *   Default: 512
+	         */
+	        cfg: Hasher.cfg.extend({
+	            outputLength: 512
+	        }),
+
+	        _doReset: function () {
+	            var state = this._state = []
+	            for (var i = 0; i < 25; i++) {
+	                state[i] = new X64Word.init();
+	            }
+
+	            this.blockSize = (1600 - 2 * this.cfg.outputLength) / 32;
+	        },
+
+	        _doProcessBlock: function (M, offset) {
+	            // Shortcuts
+	            var state = this._state;
+	            var nBlockSizeLanes = this.blockSize / 2;
+
+	            // Absorb
+	            for (var i = 0; i < nBlockSizeLanes; i++) {
+	                // Shortcuts
+	                var M2i  = M[offset + 2 * i];
+	                var M2i1 = M[offset + 2 * i + 1];
+
+	                // Swap endian
+	                M2i = (
+	                    (((M2i << 8)  | (M2i >>> 24)) & 0x00ff00ff) |
+	                    (((M2i << 24) | (M2i >>> 8))  & 0xff00ff00)
+	                );
+	                M2i1 = (
+	                    (((M2i1 << 8)  | (M2i1 >>> 24)) & 0x00ff00ff) |
+	                    (((M2i1 << 24) | (M2i1 >>> 8))  & 0xff00ff00)
+	                );
+
+	                // Absorb message into state
+	                var lane = state[i];
+	                lane.high ^= M2i1;
+	                lane.low  ^= M2i;
+	            }
+
+	            // Rounds
+	            for (var round = 0; round < 24; round++) {
+	                // Theta
+	                for (var x = 0; x < 5; x++) {
+	                    // Mix column lanes
+	                    var tMsw = 0, tLsw = 0;
+	                    for (var y = 0; y < 5; y++) {
+	                        var lane = state[x + 5 * y];
+	                        tMsw ^= lane.high;
+	                        tLsw ^= lane.low;
+	                    }
+
+	                    // Temporary values
+	                    var Tx = T[x];
+	                    Tx.high = tMsw;
+	                    Tx.low  = tLsw;
+	                }
+	                for (var x = 0; x < 5; x++) {
+	                    // Shortcuts
+	                    var Tx4 = T[(x + 4) % 5];
+	                    var Tx1 = T[(x + 1) % 5];
+	                    var Tx1Msw = Tx1.high;
+	                    var Tx1Lsw = Tx1.low;
+
+	                    // Mix surrounding columns
+	                    var tMsw = Tx4.high ^ ((Tx1Msw << 1) | (Tx1Lsw >>> 31));
+	                    var tLsw = Tx4.low  ^ ((Tx1Lsw << 1) | (Tx1Msw >>> 31));
+	                    for (var y = 0; y < 5; y++) {
+	                        var lane = state[x + 5 * y];
+	                        lane.high ^= tMsw;
+	                        lane.low  ^= tLsw;
+	                    }
+	                }
+
+	                // Rho Pi
+	                for (var laneIndex = 1; laneIndex < 25; laneIndex++) {
+	                    // Shortcuts
+	                    var lane = state[laneIndex];
+	                    var laneMsw = lane.high;
+	                    var laneLsw = lane.low;
+	                    var rhoOffset = RHO_OFFSETS[laneIndex];
+
+	                    // Rotate lanes
+	                    if (rhoOffset < 32) {
+	                        var tMsw = (laneMsw << rhoOffset) | (laneLsw >>> (32 - rhoOffset));
+	                        var tLsw = (laneLsw << rhoOffset) | (laneMsw >>> (32 - rhoOffset));
+	                    } else /* if (rhoOffset >= 32) */ {
+	                        var tMsw = (laneLsw << (rhoOffset - 32)) | (laneMsw >>> (64 - rhoOffset));
+	                        var tLsw = (laneMsw << (rhoOffset - 32)) | (laneLsw >>> (64 - rhoOffset));
+	                    }
+
+	                    // Transpose lanes
+	                    var TPiLane = T[PI_INDEXES[laneIndex]];
+	                    TPiLane.high = tMsw;
+	                    TPiLane.low  = tLsw;
+	                }
+
+	                // Rho pi at x = y = 0
+	                var T0 = T[0];
+	                var state0 = state[0];
+	                T0.high = state0.high;
+	                T0.low  = state0.low;
+
+	                // Chi
+	                for (var x = 0; x < 5; x++) {
+	                    for (var y = 0; y < 5; y++) {
+	                        // Shortcuts
+	                        var laneIndex = x + 5 * y;
+	                        var lane = state[laneIndex];
+	                        var TLane = T[laneIndex];
+	                        var Tx1Lane = T[((x + 1) % 5) + 5 * y];
+	                        var Tx2Lane = T[((x + 2) % 5) + 5 * y];
+
+	                        // Mix rows
+	                        lane.high = TLane.high ^ (~Tx1Lane.high & Tx2Lane.high);
+	                        lane.low  = TLane.low  ^ (~Tx1Lane.low  & Tx2Lane.low);
+	                    }
+	                }
+
+	                // Iota
+	                var lane = state[0];
+	                var roundConstant = ROUND_CONSTANTS[round];
+	                lane.high ^= roundConstant.high;
+	                lane.low  ^= roundConstant.low;;
+	            }
+	        },
+
+	        _doFinalize: function () {
+	            // Shortcuts
+	            var data = this._data;
+	            var dataWords = data.words;
+	            var nBitsTotal = this._nDataBytes * 8;
+	            var nBitsLeft = data.sigBytes * 8;
+	            var blockSizeBits = this.blockSize * 32;
+
+	            // Add padding
+	            dataWords[nBitsLeft >>> 5] |= 0x1 << (24 - nBitsLeft % 32);
+	            dataWords[((Math.ceil((nBitsLeft + 1) / blockSizeBits) * blockSizeBits) >>> 5) - 1] |= 0x80;
+	            data.sigBytes = dataWords.length * 4;
+
+	            // Hash final blocks
+	            this._process();
+
+	            // Shortcuts
+	            var state = this._state;
+	            var outputLengthBytes = this.cfg.outputLength / 8;
+	            var outputLengthLanes = outputLengthBytes / 8;
+
+	            // Squeeze
+	            var hashWords = [];
+	            for (var i = 0; i < outputLengthLanes; i++) {
+	                // Shortcuts
+	                var lane = state[i];
+	                var laneMsw = lane.high;
+	                var laneLsw = lane.low;
+
+	                // Swap endian
+	                laneMsw = (
+	                    (((laneMsw << 8)  | (laneMsw >>> 24)) & 0x00ff00ff) |
+	                    (((laneMsw << 24) | (laneMsw >>> 8))  & 0xff00ff00)
+	                );
+	                laneLsw = (
+	                    (((laneLsw << 8)  | (laneLsw >>> 24)) & 0x00ff00ff) |
+	                    (((laneLsw << 24) | (laneLsw >>> 8))  & 0xff00ff00)
+	                );
+
+	                // Squeeze state to retrieve hash
+	                hashWords.push(laneLsw);
+	                hashWords.push(laneMsw);
+	            }
+
+	            // Return final computed hash
+	            return new WordArray.init(hashWords, outputLengthBytes);
+	        },
+
+	        clone: function () {
+	            var clone = Hasher.clone.call(this);
+
+	            var state = clone._state = this._state.slice(0);
+	            for (var i = 0; i < 25; i++) {
+	                state[i] = state[i].clone();
+	            }
+
+	            return clone;
+	        }
+	    });
+
+	    /**
+	     * Shortcut function to the hasher's object interface.
+	     *
+	     * @param {WordArray|string} message The message to hash.
+	     *
+	     * @return {WordArray} The hash.
+	     *
+	     * @static
+	     *
+	     * @example
+	     *
+	     *     var hash = CryptoJS.SHA3('message');
+	     *     var hash = CryptoJS.SHA3(wordArray);
+	     */
+	    C.SHA3 = Hasher._createHelper(SHA3);
+
+	    /**
+	     * Shortcut function to the HMAC's object interface.
+	     *
+	     * @param {WordArray|string} message The message to hash.
+	     * @param {WordArray|string} key The secret key.
+	     *
+	     * @return {WordArray} The HMAC.
+	     *
+	     * @static
+	     *
+	     * @example
+	     *
+	     *     var hmac = CryptoJS.HmacSHA3(message, key);
+	     */
+	    C.HmacSHA3 = Hasher._createHmacHelper(SHA3);
+	}(Math));
+
+
+	return CryptoJS.SHA3;
+
+}));
+},{"./core":32,"./x64-core":34}],34:[function(require,module,exports){
+;(function (root, factory) {
+	if (typeof exports === "object") {
+		// CommonJS
+		module.exports = exports = factory(require("./core"));
+	}
+	else if (typeof define === "function" && define.amd) {
+		// AMD
+		define(["./core"], factory);
+	}
+	else {
+		// Global (browser)
+		factory(root.CryptoJS);
+	}
+}(this, function (CryptoJS) {
+
+	(function (undefined) {
+	    // Shortcuts
+	    var C = CryptoJS;
+	    var C_lib = C.lib;
+	    var Base = C_lib.Base;
+	    var X32WordArray = C_lib.WordArray;
+
+	    /**
+	     * x64 namespace.
+	     */
+	    var C_x64 = C.x64 = {};
+
+	    /**
+	     * A 64-bit word.
+	     */
+	    var X64Word = C_x64.Word = Base.extend({
+	        /**
+	         * Initializes a newly created 64-bit word.
+	         *
+	         * @param {number} high The high 32 bits.
+	         * @param {number} low The low 32 bits.
+	         *
+	         * @example
+	         *
+	         *     var x64Word = CryptoJS.x64.Word.create(0x00010203, 0x04050607);
+	         */
+	        init: function (high, low) {
+	            this.high = high;
+	            this.low = low;
+	        }
+
+	        /**
+	         * Bitwise NOTs this word.
+	         *
+	         * @return {X64Word} A new x64-Word object after negating.
+	         *
+	         * @example
+	         *
+	         *     var negated = x64Word.not();
+	         */
+	        // not: function () {
+	            // var high = ~this.high;
+	            // var low = ~this.low;
+
+	            // return X64Word.create(high, low);
+	        // },
+
+	        /**
+	         * Bitwise ANDs this word with the passed word.
+	         *
+	         * @param {X64Word} word The x64-Word to AND with this word.
+	         *
+	         * @return {X64Word} A new x64-Word object after ANDing.
+	         *
+	         * @example
+	         *
+	         *     var anded = x64Word.and(anotherX64Word);
+	         */
+	        // and: function (word) {
+	            // var high = this.high & word.high;
+	            // var low = this.low & word.low;
+
+	            // return X64Word.create(high, low);
+	        // },
+
+	        /**
+	         * Bitwise ORs this word with the passed word.
+	         *
+	         * @param {X64Word} word The x64-Word to OR with this word.
+	         *
+	         * @return {X64Word} A new x64-Word object after ORing.
+	         *
+	         * @example
+	         *
+	         *     var ored = x64Word.or(anotherX64Word);
+	         */
+	        // or: function (word) {
+	            // var high = this.high | word.high;
+	            // var low = this.low | word.low;
+
+	            // return X64Word.create(high, low);
+	        // },
+
+	        /**
+	         * Bitwise XORs this word with the passed word.
+	         *
+	         * @param {X64Word} word The x64-Word to XOR with this word.
+	         *
+	         * @return {X64Word} A new x64-Word object after XORing.
+	         *
+	         * @example
+	         *
+	         *     var xored = x64Word.xor(anotherX64Word);
+	         */
+	        // xor: function (word) {
+	            // var high = this.high ^ word.high;
+	            // var low = this.low ^ word.low;
+
+	            // return X64Word.create(high, low);
+	        // },
+
+	        /**
+	         * Shifts this word n bits to the left.
+	         *
+	         * @param {number} n The number of bits to shift.
+	         *
+	         * @return {X64Word} A new x64-Word object after shifting.
+	         *
+	         * @example
+	         *
+	         *     var shifted = x64Word.shiftL(25);
+	         */
+	        // shiftL: function (n) {
+	            // if (n < 32) {
+	                // var high = (this.high << n) | (this.low >>> (32 - n));
+	                // var low = this.low << n;
+	            // } else {
+	                // var high = this.low << (n - 32);
+	                // var low = 0;
+	            // }
+
+	            // return X64Word.create(high, low);
+	        // },
+
+	        /**
+	         * Shifts this word n bits to the right.
+	         *
+	         * @param {number} n The number of bits to shift.
+	         *
+	         * @return {X64Word} A new x64-Word object after shifting.
+	         *
+	         * @example
+	         *
+	         *     var shifted = x64Word.shiftR(7);
+	         */
+	        // shiftR: function (n) {
+	            // if (n < 32) {
+	                // var low = (this.low >>> n) | (this.high << (32 - n));
+	                // var high = this.high >>> n;
+	            // } else {
+	                // var low = this.high >>> (n - 32);
+	                // var high = 0;
+	            // }
+
+	            // return X64Word.create(high, low);
+	        // },
+
+	        /**
+	         * Rotates this word n bits to the left.
+	         *
+	         * @param {number} n The number of bits to rotate.
+	         *
+	         * @return {X64Word} A new x64-Word object after rotating.
+	         *
+	         * @example
+	         *
+	         *     var rotated = x64Word.rotL(25);
+	         */
+	        // rotL: function (n) {
+	            // return this.shiftL(n).or(this.shiftR(64 - n));
+	        // },
+
+	        /**
+	         * Rotates this word n bits to the right.
+	         *
+	         * @param {number} n The number of bits to rotate.
+	         *
+	         * @return {X64Word} A new x64-Word object after rotating.
+	         *
+	         * @example
+	         *
+	         *     var rotated = x64Word.rotR(7);
+	         */
+	        // rotR: function (n) {
+	            // return this.shiftR(n).or(this.shiftL(64 - n));
+	        // },
+
+	        /**
+	         * Adds this word with the passed word.
+	         *
+	         * @param {X64Word} word The x64-Word to add with this word.
+	         *
+	         * @return {X64Word} A new x64-Word object after adding.
+	         *
+	         * @example
+	         *
+	         *     var added = x64Word.add(anotherX64Word);
+	         */
+	        // add: function (word) {
+	            // var low = (this.low + word.low) | 0;
+	            // var carry = (low >>> 0) < (this.low >>> 0) ? 1 : 0;
+	            // var high = (this.high + word.high + carry) | 0;
+
+	            // return X64Word.create(high, low);
+	        // }
+	    });
+
+	    /**
+	     * An array of 64-bit words.
+	     *
+	     * @property {Array} words The array of CryptoJS.x64.Word objects.
+	     * @property {number} sigBytes The number of significant bytes in this word array.
+	     */
+	    var X64WordArray = C_x64.WordArray = Base.extend({
+	        /**
+	         * Initializes a newly created word array.
+	         *
+	         * @param {Array} words (Optional) An array of CryptoJS.x64.Word objects.
+	         * @param {number} sigBytes (Optional) The number of significant bytes in the words.
+	         *
+	         * @example
+	         *
+	         *     var wordArray = CryptoJS.x64.WordArray.create();
+	         *
+	         *     var wordArray = CryptoJS.x64.WordArray.create([
+	         *         CryptoJS.x64.Word.create(0x00010203, 0x04050607),
+	         *         CryptoJS.x64.Word.create(0x18191a1b, 0x1c1d1e1f)
+	         *     ]);
+	         *
+	         *     var wordArray = CryptoJS.x64.WordArray.create([
+	         *         CryptoJS.x64.Word.create(0x00010203, 0x04050607),
+	         *         CryptoJS.x64.Word.create(0x18191a1b, 0x1c1d1e1f)
+	         *     ], 10);
+	         */
+	        init: function (words, sigBytes) {
+	            words = this.words = words || [];
+
+	            if (sigBytes != undefined) {
+	                this.sigBytes = sigBytes;
+	            } else {
+	                this.sigBytes = words.length * 8;
+	            }
+	        },
+
+	        /**
+	         * Converts this 64-bit word array to a 32-bit word array.
+	         *
+	         * @return {CryptoJS.lib.WordArray} This word array's data as a 32-bit word array.
+	         *
+	         * @example
+	         *
+	         *     var x32WordArray = x64WordArray.toX32();
+	         */
+	        toX32: function () {
+	            // Shortcuts
+	            var x64Words = this.words;
+	            var x64WordsLength = x64Words.length;
+
+	            // Convert
+	            var x32Words = [];
+	            for (var i = 0; i < x64WordsLength; i++) {
+	                var x64Word = x64Words[i];
+	                x32Words.push(x64Word.high);
+	                x32Words.push(x64Word.low);
+	            }
+
+	            return X32WordArray.create(x32Words, this.sigBytes);
+	        },
+
+	        /**
+	         * Creates a copy of this word array.
+	         *
+	         * @return {X64WordArray} The clone.
+	         *
+	         * @example
+	         *
+	         *     var clone = x64WordArray.clone();
+	         */
+	        clone: function () {
+	            var clone = Base.clone.call(this);
+
+	            // Clone "words" array
+	            var words = clone.words = this.words.slice(0);
+
+	            // Clone each X64Word object
+	            var wordsLength = words.length;
+	            for (var i = 0; i < wordsLength; i++) {
+	                words[i] = words[i].clone();
+	            }
+
+	            return clone;
+	        }
+	    });
+	}());
+
+
+	return CryptoJS;
+
+}));
+},{"./core":32}],"bignumber.js":[function(require,module,exports){
+/*! bignumber.js v2.0.7 https://github.com/MikeMcl/bignumber.js/LICENCE */
+
+;(function (global) {
+    'use strict';
+
+    /*
+      bignumber.js v2.0.7
+      A JavaScript library for arbitrary-precision arithmetic.
+      https://github.com/MikeMcl/bignumber.js
+      Copyright (c) 2015 Michael Mclaughlin <M8ch88l@gmail.com>
+      MIT Expat Licence
+    */
+
+
+    var BigNumber, crypto, parseNumeric,
+        isNumeric = /^-?(\d+(\.\d*)?|\.\d+)(e[+-]?\d+)?$/i,
+        mathceil = Math.ceil,
+        mathfloor = Math.floor,
+        notBool = ' not a boolean or binary digit',
+        roundingMode = 'rounding mode',
+        tooManyDigits = 'number type has more than 15 significant digits',
+        ALPHABET = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ$_',
+        BASE = 1e14,
+        LOG_BASE = 14,
+        MAX_SAFE_INTEGER = 0x1fffffffffffff,         // 2^53 - 1
+        // MAX_INT32 = 0x7fffffff,                   // 2^31 - 1
+        POWS_TEN = [1, 10, 100, 1e3, 1e4, 1e5, 1e6, 1e7, 1e8, 1e9, 1e10, 1e11, 1e12, 1e13],
+        SQRT_BASE = 1e7,
+
+        /*
+         * The limit on the value of DECIMAL_PLACES, TO_EXP_NEG, TO_EXP_POS, MIN_EXP, MAX_EXP, and
+         * the arguments to toExponential, toFixed, toFormat, and toPrecision, beyond which an
+         * exception is thrown (if ERRORS is true).
+         */
+        MAX = 1E9;                                   // 0 to MAX_INT32
+
+
+    /*
+     * Create and return a BigNumber constructor.
+     */
+    function another(configObj) {
+        var div,
+
+            // id tracks the caller function, so its name can be included in error messages.
+            id = 0,
+            P = BigNumber.prototype,
+            ONE = new BigNumber(1),
+
+
+            /********************************* EDITABLE DEFAULTS **********************************/
+
+
+            /*
+             * The default values below must be integers within the inclusive ranges stated.
+             * The values can also be changed at run-time using BigNumber.config.
+             */
+
+            // The maximum number of decimal places for operations involving division.
+            DECIMAL_PLACES = 20,                     // 0 to MAX
+
+            /*
+             * The rounding mode used when rounding to the above decimal places, and when using
+             * toExponential, toFixed, toFormat and toPrecision, and round (default value).
+             * UP         0 Away from zero.
+             * DOWN       1 Towards zero.
+             * CEIL       2 Towards +Infinity.
+             * FLOOR      3 Towards -Infinity.
+             * HALF_UP    4 Towards nearest neighbour. If equidistant, up.
+             * HALF_DOWN  5 Towards nearest neighbour. If equidistant, down.
+             * HALF_EVEN  6 Towards nearest neighbour. If equidistant, towards even neighbour.
+             * HALF_CEIL  7 Towards nearest neighbour. If equidistant, towards +Infinity.
+             * HALF_FLOOR 8 Towards nearest neighbour. If equidistant, towards -Infinity.
+             */
+            ROUNDING_MODE = 4,                       // 0 to 8
+
+            // EXPONENTIAL_AT : [TO_EXP_NEG , TO_EXP_POS]
+
+            // The exponent value at and beneath which toString returns exponential notation.
+            // Number type: -7
+            TO_EXP_NEG = -7,                         // 0 to -MAX
+
+            // The exponent value at and above which toString returns exponential notation.
+            // Number type: 21
+            TO_EXP_POS = 21,                         // 0 to MAX
+
+            // RANGE : [MIN_EXP, MAX_EXP]
+
+            // The minimum exponent value, beneath which underflow to zero occurs.
+            // Number type: -324  (5e-324)
+            MIN_EXP = -1e7,                          // -1 to -MAX
+
+            // The maximum exponent value, above which overflow to Infinity occurs.
+            // Number type:  308  (1.7976931348623157e+308)
+            // For MAX_EXP > 1e7, e.g. new BigNumber('1e100000000').plus(1) may be slow.
+            MAX_EXP = 1e7,                           // 1 to MAX
+
+            // Whether BigNumber Errors are ever thrown.
+            ERRORS = true,                           // true or false
+
+            // Change to intValidatorNoErrors if ERRORS is false.
+            isValidInt = intValidatorWithErrors,     // intValidatorWithErrors/intValidatorNoErrors
+
+            // Whether to use cryptographically-secure random number generation, if available.
+            CRYPTO = false,                          // true or false
+
+            /*
+             * The modulo mode used when calculating the modulus: a mod n.
+             * The quotient (q = a / n) is calculated according to the corresponding rounding mode.
+             * The remainder (r) is calculated as: r = a - n * q.
+             *
+             * UP        0 The remainder is positive if the dividend is negative, else is negative.
+             * DOWN      1 The remainder has the same sign as the dividend.
+             *             This modulo mode is commonly known as 'truncated division' and is
+             *             equivalent to (a % n) in JavaScript.
+             * FLOOR     3 The remainder has the same sign as the divisor (Python %).
+             * HALF_EVEN 6 This modulo mode implements the IEEE 754 remainder function.
+             * EUCLID    9 Euclidian division. q = sign(n) * floor(a / abs(n)).
+             *             The remainder is always positive.
+             *
+             * The truncated division, floored division, Euclidian division and IEEE 754 remainder
+             * modes are commonly used for the modulus operation.
+             * Although the other rounding modes can also be used, they may not give useful results.
+             */
+            MODULO_MODE = 1,                         // 0 to 9
+
+            // The maximum number of significant digits of the result of the toPower operation.
+            // If POW_PRECISION is 0, there will be unlimited significant digits.
+            POW_PRECISION = 100,                     // 0 to MAX
+
+            // The format specification used by the BigNumber.prototype.toFormat method.
+            FORMAT = {
+                decimalSeparator: '.',
+                groupSeparator: ',',
+                groupSize: 3,
+                secondaryGroupSize: 0,
+                fractionGroupSeparator: '\xA0',      // non-breaking space
+                fractionGroupSize: 0
+            };
+
+
+        /******************************************************************************************/
+
+
+        // CONSTRUCTOR
+
+
+        /*
+         * The BigNumber constructor and exported function.
+         * Create and return a new instance of a BigNumber object.
+         *
+         * n {number|string|BigNumber} A numeric value.
+         * [b] {number} The base of n. Integer, 2 to 64 inclusive.
+         */
+        function BigNumber( n, b ) {
+            var c, e, i, num, len, str,
+                x = this;
+
+            // Enable constructor usage without new.
+            if ( !( x instanceof BigNumber ) ) {
+
+                // 'BigNumber() constructor call without new: {n}'
+                if (ERRORS) raise( 26, 'constructor call without new', n );
+                return new BigNumber( n, b );
+            }
 
-},{}],"bignumber.js":[function(require,module,exports){
-'use strict';
+            // 'new BigNumber() base not an integer: {b}'
+            // 'new BigNumber() base out of range: {b}'
+            if ( b == null || !isValidInt( b, 2, 64, id, 'base' ) ) {
+
+                // Duplicate.
+                if ( n instanceof BigNumber ) {
+                    x.s = n.s;
+                    x.e = n.e;
+                    x.c = ( n = n.c ) ? n.slice() : n;
+                    id = 0;
+                    return;
+                }
+
+                if ( ( num = typeof n == 'number' ) && n * 0 == 0 ) {
+                    x.s = 1 / n < 0 ? ( n = -n, -1 ) : 1;
+
+                    // Fast path for integers.
+                    if ( n === ~~n ) {
+                        for ( e = 0, i = n; i >= 10; i /= 10, e++ );
+                        x.e = e;
+                        x.c = [n];
+                        id = 0;
+                        return;
+                    }
+
+                    str = n + '';
+                } else {
+                    if ( !isNumeric.test( str = n + '' ) ) return parseNumeric( x, str, num );
+                    x.s = str.charCodeAt(0) === 45 ? ( str = str.slice(1), -1 ) : 1;
+                }
+            } else {
+                b = b | 0;
+                str = n + '';
+
+                // Ensure return value is rounded to DECIMAL_PLACES as with other bases.
+                // Allow exponential notation to be used with base 10 argument.
+                if ( b == 10 ) {
+                    x = new BigNumber( n instanceof BigNumber ? n : str );
+                    return round( x, DECIMAL_PLACES + x.e + 1, ROUNDING_MODE );
+                }
+
+                // Avoid potential interpretation of Infinity and NaN as base 44+ values.
+                // Any number in exponential form will fail due to the [Ee][+-].
+                if ( ( num = typeof n == 'number' ) && n * 0 != 0 ||
+                  !( new RegExp( '^-?' + ( c = '[' + ALPHABET.slice( 0, b ) + ']+' ) +
+                    '(?:\\.' + c + ')?$',b < 37 ? 'i' : '' ) ).test(str) ) {
+                    return parseNumeric( x, str, num, b );
+                }
+
+                if (num) {
+                    x.s = 1 / n < 0 ? ( str = str.slice(1), -1 ) : 1;
+
+                    if ( ERRORS && str.replace( /^0\.0*|\./, '' ).length > 15 ) {
+
+                        // 'new BigNumber() number type has more than 15 significant digits: {n}'
+                        raise( id, tooManyDigits, n );
+                    }
+
+                    // Prevent later check for length on converted number.
+                    num = false;
+                } else {
+                    x.s = str.charCodeAt(0) === 45 ? ( str = str.slice(1), -1 ) : 1;
+                }
+
+                str = convertBase( str, 10, b, x.s );
+            }
+
+            // Decimal point?
+            if ( ( e = str.indexOf('.') ) > -1 ) str = str.replace( '.', '' );
+
+            // Exponential form?
+            if ( ( i = str.search( /e/i ) ) > 0 ) {
+
+                // Determine exponent.
+                if ( e < 0 ) e = i;
+                e += +str.slice( i + 1 );
+                str = str.substring( 0, i );
+            } else if ( e < 0 ) {
+
+                // Integer.
+                e = str.length;
+            }
+
+            // Determine leading zeros.
+            for ( i = 0; str.charCodeAt(i) === 48; i++ );
+
+            // Determine trailing zeros.
+            for ( len = str.length; str.charCodeAt(--len) === 48; );
+            str = str.slice( i, len + 1 );
+
+            if (str) {
+                len = str.length;
+
+                // Disallow numbers with over 15 significant digits if number type.
+                // 'new BigNumber() number type has more than 15 significant digits: {n}'
+                if ( num && ERRORS && len > 15 ) raise( id, tooManyDigits, x.s * n );
+
+                e = e - i - 1;
+
+                 // Overflow?
+                if ( e > MAX_EXP ) {
 
-module.exports = BigNumber; // jshint ignore:line
+                    // Infinity.
+                    x.c = x.e = null;
 
+                // Underflow?
+                } else if ( e < MIN_EXP ) {
+
+                    // Zero.
+                    x.c = [ x.e = 0 ];
+                } else {
+                    x.e = e;
+                    x.c = [];
+
+                    // Transform base
+
+                    // e is the base 10 exponent.
+                    // i is where to slice str to get the first element of the coefficient array.
+                    i = ( e + 1 ) % LOG_BASE;
+                    if ( e < 0 ) i += LOG_BASE;
+
+                    if ( i < len ) {
+                        if (i) x.c.push( +str.slice( 0, i ) );
+
+                        for ( len -= LOG_BASE; i < len; ) {
+                            x.c.push( +str.slice( i, i += LOG_BASE ) );
+                        }
+
+                        str = str.slice(i);
+                        i = LOG_BASE - str.length;
+                    } else {
+                        i -= len;
+                    }
+
+                    for ( ; i--; str += '0' );
+                    x.c.push( +str );
+                }
+            } else {
+
+                // Zero.
+                x.c = [ x.e = 0 ];
+            }
+
+            id = 0;
+        }
+
+
+        // CONSTRUCTOR PROPERTIES
+
+
+        BigNumber.another = another;
+
+        BigNumber.ROUND_UP = 0;
+        BigNumber.ROUND_DOWN = 1;
+        BigNumber.ROUND_CEIL = 2;
+        BigNumber.ROUND_FLOOR = 3;
+        BigNumber.ROUND_HALF_UP = 4;
+        BigNumber.ROUND_HALF_DOWN = 5;
+        BigNumber.ROUND_HALF_EVEN = 6;
+        BigNumber.ROUND_HALF_CEIL = 7;
+        BigNumber.ROUND_HALF_FLOOR = 8;
+        BigNumber.EUCLID = 9;
+
+
+        /*
+         * Configure infrequently-changing library-wide settings.
+         *
+         * Accept an object or an argument list, with one or many of the following properties or
+         * parameters respectively:
+         *
+         *   DECIMAL_PLACES  {number}  Integer, 0 to MAX inclusive
+         *   ROUNDING_MODE   {number}  Integer, 0 to 8 inclusive
+         *   EXPONENTIAL_AT  {number|number[]}  Integer, -MAX to MAX inclusive or
+         *                                      [integer -MAX to 0 incl., 0 to MAX incl.]
+         *   RANGE           {number|number[]}  Non-zero integer, -MAX to MAX inclusive or
+         *                                      [integer -MAX to -1 incl., integer 1 to MAX incl.]
+         *   ERRORS          {boolean|number}   true, false, 1 or 0
+         *   CRYPTO          {boolean|number}   true, false, 1 or 0
+         *   MODULO_MODE     {number}           0 to 9 inclusive
+         *   POW_PRECISION   {number}           0 to MAX inclusive
+         *   FORMAT          {object}           See BigNumber.prototype.toFormat
+         *      decimalSeparator       {string}
+         *      groupSeparator         {string}
+         *      groupSize              {number}
+         *      secondaryGroupSize     {number}
+         *      fractionGroupSeparator {string}
+         *      fractionGroupSize      {number}
+         *
+         * (The values assigned to the above FORMAT object properties are not checked for validity.)
+         *
+         * E.g.
+         * BigNumber.config(20, 4) is equivalent to
+         * BigNumber.config({ DECIMAL_PLACES : 20, ROUNDING_MODE : 4 })
+         *
+         * Ignore properties/parameters set to null or undefined.
+         * Return an object with the properties current values.
+         */
+        BigNumber.config = function () {
+            var v, p,
+                i = 0,
+                r = {},
+                a = arguments,
+                o = a[0],
+                has = o && typeof o == 'object'
+                  ? function () { if ( o.hasOwnProperty(p) ) return ( v = o[p] ) != null; }
+                  : function () { if ( a.length > i ) return ( v = a[i++] ) != null; };
+
+            // DECIMAL_PLACES {number} Integer, 0 to MAX inclusive.
+            // 'config() DECIMAL_PLACES not an integer: {v}'
+            // 'config() DECIMAL_PLACES out of range: {v}'
+            if ( has( p = 'DECIMAL_PLACES' ) && isValidInt( v, 0, MAX, 2, p ) ) {
+                DECIMAL_PLACES = v | 0;
+            }
+            r[p] = DECIMAL_PLACES;
+
+            // ROUNDING_MODE {number} Integer, 0 to 8 inclusive.
+            // 'config() ROUNDING_MODE not an integer: {v}'
+            // 'config() ROUNDING_MODE out of range: {v}'
+            if ( has( p = 'ROUNDING_MODE' ) && isValidInt( v, 0, 8, 2, p ) ) {
+                ROUNDING_MODE = v | 0;
+            }
+            r[p] = ROUNDING_MODE;
+
+            // EXPONENTIAL_AT {number|number[]}
+            // Integer, -MAX to MAX inclusive or [integer -MAX to 0 inclusive, 0 to MAX inclusive].
+            // 'config() EXPONENTIAL_AT not an integer: {v}'
+            // 'config() EXPONENTIAL_AT out of range: {v}'
+            if ( has( p = 'EXPONENTIAL_AT' ) ) {
+
+                if ( isArray(v) ) {
+                    if ( isValidInt( v[0], -MAX, 0, 2, p ) && isValidInt( v[1], 0, MAX, 2, p ) ) {
+                        TO_EXP_NEG = v[0] | 0;
+                        TO_EXP_POS = v[1] | 0;
+                    }
+                } else if ( isValidInt( v, -MAX, MAX, 2, p ) ) {
+                    TO_EXP_NEG = -( TO_EXP_POS = ( v < 0 ? -v : v ) | 0 );
+                }
+            }
+            r[p] = [ TO_EXP_NEG, TO_EXP_POS ];
+
+            // RANGE {number|number[]} Non-zero integer, -MAX to MAX inclusive or
+            // [integer -MAX to -1 inclusive, integer 1 to MAX inclusive].
+            // 'config() RANGE not an integer: {v}'
+            // 'config() RANGE cannot be zero: {v}'
+            // 'config() RANGE out of range: {v}'
+            if ( has( p = 'RANGE' ) ) {
+
+                if ( isArray(v) ) {
+                    if ( isValidInt( v[0], -MAX, -1, 2, p ) && isValidInt( v[1], 1, MAX, 2, p ) ) {
+                        MIN_EXP = v[0] | 0;
+                        MAX_EXP = v[1] | 0;
+                    }
+                } else if ( isValidInt( v, -MAX, MAX, 2, p ) ) {
+                    if ( v | 0 ) MIN_EXP = -( MAX_EXP = ( v < 0 ? -v : v ) | 0 );
+                    else if (ERRORS) raise( 2, p + ' cannot be zero', v );
+                }
+            }
+            r[p] = [ MIN_EXP, MAX_EXP ];
+
+            // ERRORS {boolean|number} true, false, 1 or 0.
+            // 'config() ERRORS not a boolean or binary digit: {v}'
+            if ( has( p = 'ERRORS' ) ) {
+
+                if ( v === !!v || v === 1 || v === 0 ) {
+                    id = 0;
+                    isValidInt = ( ERRORS = !!v ) ? intValidatorWithErrors : intValidatorNoErrors;
+                } else if (ERRORS) {
+                    raise( 2, p + notBool, v );
+                }
+            }
+            r[p] = ERRORS;
+
+            // CRYPTO {boolean|number} true, false, 1 or 0.
+            // 'config() CRYPTO not a boolean or binary digit: {v}'
+            // 'config() crypto unavailable: {crypto}'
+            if ( has( p = 'CRYPTO' ) ) {
+
+                if ( v === !!v || v === 1 || v === 0 ) {
+                    CRYPTO = !!( v && crypto && typeof crypto == 'object' );
+                    if ( v && !CRYPTO && ERRORS ) raise( 2, 'crypto unavailable', crypto );
+                } else if (ERRORS) {
+                    raise( 2, p + notBool, v );
+                }
+            }
+            r[p] = CRYPTO;
+
+            // MODULO_MODE {number} Integer, 0 to 9 inclusive.
+            // 'config() MODULO_MODE not an integer: {v}'
+            // 'config() MODULO_MODE out of range: {v}'
+            if ( has( p = 'MODULO_MODE' ) && isValidInt( v, 0, 9, 2, p ) ) {
+                MODULO_MODE = v | 0;
+            }
+            r[p] = MODULO_MODE;
+
+            // POW_PRECISION {number} Integer, 0 to MAX inclusive.
+            // 'config() POW_PRECISION not an integer: {v}'
+            // 'config() POW_PRECISION out of range: {v}'
+            if ( has( p = 'POW_PRECISION' ) && isValidInt( v, 0, MAX, 2, p ) ) {
+                POW_PRECISION = v | 0;
+            }
+            r[p] = POW_PRECISION;
+
+            // FORMAT {object}
+            // 'config() FORMAT not an object: {v}'
+            if ( has( p = 'FORMAT' ) ) {
+
+                if ( typeof v == 'object' ) {
+                    FORMAT = v;
+                } else if (ERRORS) {
+                    raise( 2, p + ' not an object', v );
+                }
+            }
+            r[p] = FORMAT;
+
+            return r;
+        };
+
+
+        /*
+         * Return a new BigNumber whose value is the maximum of the arguments.
+         *
+         * arguments {number|string|BigNumber}
+         */
+        BigNumber.max = function () { return maxOrMin( arguments, P.lt ); };
+
+
+        /*
+         * Return a new BigNumber whose value is the minimum of the arguments.
+         *
+         * arguments {number|string|BigNumber}
+         */
+        BigNumber.min = function () { return maxOrMin( arguments, P.gt ); };
+
+
+        /*
+         * Return a new BigNumber with a random value equal to or greater than 0 and less than 1,
+         * and with dp, or DECIMAL_PLACES if dp is omitted, decimal places (or less if trailing
+         * zeros are produced).
+         *
+         * [dp] {number} Decimal places. Integer, 0 to MAX inclusive.
+         *
+         * 'random() decimal places not an integer: {dp}'
+         * 'random() decimal places out of range: {dp}'
+         * 'random() crypto unavailable: {crypto}'
+         */
+        BigNumber.random = (function () {
+            var pow2_53 = 0x20000000000000;
+
+            // Return a 53 bit integer n, where 0 <= n < 9007199254740992.
+            // Check if Math.random() produces more than 32 bits of randomness.
+            // If it does, assume at least 53 bits are produced, otherwise assume at least 30 bits.
+            // 0x40000000 is 2^30, 0x800000 is 2^23, 0x1fffff is 2^21 - 1.
+            var random53bitInt = (Math.random() * pow2_53) & 0x1fffff
+              ? function () { return mathfloor( Math.random() * pow2_53 ); }
+              : function () { return ((Math.random() * 0x40000000 | 0) * 0x800000) +
+                  (Math.random() * 0x800000 | 0); };
+
+            return function (dp) {
+                var a, b, e, k, v,
+                    i = 0,
+                    c = [],
+                    rand = new BigNumber(ONE);
+
+                dp = dp == null || !isValidInt( dp, 0, MAX, 14 ) ? DECIMAL_PLACES : dp | 0;
+                k = mathceil( dp / LOG_BASE );
+
+                if (CRYPTO) {
+
+                    // Browsers supporting crypto.getRandomValues.
+                    if ( crypto && crypto.getRandomValues ) {
+
+                        a = crypto.getRandomValues( new Uint32Array( k *= 2 ) );
+
+                        for ( ; i < k; ) {
+
+                            // 53 bits:
+                            // ((Math.pow(2, 32) - 1) * Math.pow(2, 21)).toString(2)
+                            // 11111 11111111 11111111 11111111 11100000 00000000 00000000
+                            // ((Math.pow(2, 32) - 1) >>> 11).toString(2)
+                            //                                     11111 11111111 11111111
+                            // 0x20000 is 2^21.
+                            v = a[i] * 0x20000 + (a[i + 1] >>> 11);
+
+                            // Rejection sampling:
+                            // 0 <= v < 9007199254740992
+                            // Probability that v >= 9e15, is
+                            // 7199254740992 / 9007199254740992 ~= 0.0008, i.e. 1 in 1251
+                            if ( v >= 9e15 ) {
+                                b = crypto.getRandomValues( new Uint32Array(2) );
+                                a[i] = b[0];
+                                a[i + 1] = b[1];
+                            } else {
+
+                                // 0 <= v <= 8999999999999999
+                                // 0 <= (v % 1e14) <= 99999999999999
+                                c.push( v % 1e14 );
+                                i += 2;
+                            }
+                        }
+                        i = k / 2;
+
+                    // Node.js supporting crypto.randomBytes.
+                    } else if ( crypto && crypto.randomBytes ) {
+
+                        // buffer
+                        a = crypto.randomBytes( k *= 7 );
+
+                        for ( ; i < k; ) {
+
+                            // 0x1000000000000 is 2^48, 0x10000000000 is 2^40
+                            // 0x100000000 is 2^32, 0x1000000 is 2^24
+                            // 11111 11111111 11111111 11111111 11111111 11111111 11111111
+                            // 0 <= v < 9007199254740992
+                            v = ( ( a[i] & 31 ) * 0x1000000000000 ) + ( a[i + 1] * 0x10000000000 ) +
+                                  ( a[i + 2] * 0x100000000 ) + ( a[i + 3] * 0x1000000 ) +
+                                  ( a[i + 4] << 16 ) + ( a[i + 5] << 8 ) + a[i + 6];
+
+                            if ( v >= 9e15 ) {
+                                crypto.randomBytes(7).copy( a, i );
+                            } else {
+
+                                // 0 <= (v % 1e14) <= 99999999999999
+                                c.push( v % 1e14 );
+                                i += 7;
+                            }
+                        }
+                        i = k / 7;
+                    } else if (ERRORS) {
+                        raise( 14, 'crypto unavailable', crypto );
+                    }
+                }
+
+                // Use Math.random: CRYPTO is false or crypto is unavailable and ERRORS is false.
+                if (!i) {
+
+                    for ( ; i < k; ) {
+                        v = random53bitInt();
+                        if ( v < 9e15 ) c[i++] = v % 1e14;
+                    }
+                }
+
+                k = c[--i];
+                dp %= LOG_BASE;
+
+                // Convert trailing digits to zeros according to dp.
+                if ( k && dp ) {
+                    v = POWS_TEN[LOG_BASE - dp];
+                    c[i] = mathfloor( k / v ) * v;
+                }
+
+                // Remove trailing elements which are zero.
+                for ( ; c[i] === 0; c.pop(), i-- );
+
+                // Zero?
+                if ( i < 0 ) {
+                    c = [ e = 0 ];
+                } else {
+
+                    // Remove leading elements which are zero and adjust exponent accordingly.
+                    for ( e = -1 ; c[0] === 0; c.shift(), e -= LOG_BASE);
+
+                    // Count the digits of the first element of c to determine leading zeros, and...
+                    for ( i = 1, v = c[0]; v >= 10; v /= 10, i++);
+
+                    // adjust the exponent accordingly.
+                    if ( i < LOG_BASE ) e -= LOG_BASE - i;
+                }
+
+                rand.e = e;
+                rand.c = c;
+                return rand;
+            };
+        })();
+
+
+        // PRIVATE FUNCTIONS
+
+
+        // Convert a numeric string of baseIn to a numeric string of baseOut.
+        function convertBase( str, baseOut, baseIn, sign ) {
+            var d, e, k, r, x, xc, y,
+                i = str.indexOf( '.' ),
+                dp = DECIMAL_PLACES,
+                rm = ROUNDING_MODE;
+
+            if ( baseIn < 37 ) str = str.toLowerCase();
+
+            // Non-integer.
+            if ( i >= 0 ) {
+                k = POW_PRECISION;
+
+                // Unlimited precision.
+                POW_PRECISION = 0;
+                str = str.replace( '.', '' );
+                y = new BigNumber(baseIn);
+                x = y.pow( str.length - i );
+                POW_PRECISION = k;
+
+                // Convert str as if an integer, then restore the fraction part by dividing the
+                // result by its base raised to a power.
+                y.c = toBaseOut( toFixedPoint( coeffToString( x.c ), x.e ), 10, baseOut );
+                y.e = y.c.length;
+            }
+
+            // Convert the number as integer.
+            xc = toBaseOut( str, baseIn, baseOut );
+            e = k = xc.length;
+
+            // Remove trailing zeros.
+            for ( ; xc[--k] == 0; xc.pop() );
+            if ( !xc[0] ) return '0';
+
+            if ( i < 0 ) {
+                --e;
+            } else {
+                x.c = xc;
+                x.e = e;
+
+                // sign is needed for correct rounding.
+                x.s = sign;
+                x = div( x, y, dp, rm, baseOut );
+                xc = x.c;
+                r = x.r;
+                e = x.e;
+            }
+
+            d = e + dp + 1;
+
+            // The rounding digit, i.e. the digit to the right of the digit that may be rounded up.
+            i = xc[d];
+            k = baseOut / 2;
+            r = r || d < 0 || xc[d + 1] != null;
+
+            r = rm < 4 ? ( i != null || r ) && ( rm == 0 || rm == ( x.s < 0 ? 3 : 2 ) )
+                       : i > k || i == k &&( rm == 4 || r || rm == 6 && xc[d - 1] & 1 ||
+                         rm == ( x.s < 0 ? 8 : 7 ) );
+
+            if ( d < 1 || !xc[0] ) {
+
+                // 1^-dp or 0.
+                str = r ? toFixedPoint( '1', -dp ) : '0';
+            } else {
+                xc.length = d;
+
+                if (r) {
+
+                    // Rounding up may mean the previous digit has to be rounded up and so on.
+                    for ( --baseOut; ++xc[--d] > baseOut; ) {
+                        xc[d] = 0;
+
+                        if ( !d ) {
+                            ++e;
+                            xc.unshift(1);
+                        }
+                    }
+                }
+
+                // Determine trailing zeros.
+                for ( k = xc.length; !xc[--k]; );
+
+                // E.g. [4, 11, 15] becomes 4bf.
+                for ( i = 0, str = ''; i <= k; str += ALPHABET.charAt( xc[i++] ) );
+                str = toFixedPoint( str, e );
+            }
+
+            // The caller will add the sign.
+            return str;
+        }
+
+
+        // Perform division in the specified base. Called by div and convertBase.
+        div = (function () {
+
+            // Assume non-zero x and k.
+            function multiply( x, k, base ) {
+                var m, temp, xlo, xhi,
+                    carry = 0,
+                    i = x.length,
+                    klo = k % SQRT_BASE,
+                    khi = k / SQRT_BASE | 0;
+
+                for ( x = x.slice(); i--; ) {
+                    xlo = x[i] % SQRT_BASE;
+                    xhi = x[i] / SQRT_BASE | 0;
+                    m = khi * xlo + xhi * klo;
+                    temp = klo * xlo + ( ( m % SQRT_BASE ) * SQRT_BASE ) + carry;
+                    carry = ( temp / base | 0 ) + ( m / SQRT_BASE | 0 ) + khi * xhi;
+                    x[i] = temp % base;
+                }
+
+                if (carry) x.unshift(carry);
+
+                return x;
+            }
+
+            function compare( a, b, aL, bL ) {
+                var i, cmp;
+
+                if ( aL != bL ) {
+                    cmp = aL > bL ? 1 : -1;
+                } else {
+
+                    for ( i = cmp = 0; i < aL; i++ ) {
+
+                        if ( a[i] != b[i] ) {
+                            cmp = a[i] > b[i] ? 1 : -1;
+                            break;
+                        }
+                    }
+                }
+                return cmp;
+            }
+
+            function subtract( a, b, aL, base ) {
+                var i = 0;
+
+                // Subtract b from a.
+                for ( ; aL--; ) {
+                    a[aL] -= i;
+                    i = a[aL] < b[aL] ? 1 : 0;
+                    a[aL] = i * base + a[aL] - b[aL];
+                }
+
+                // Remove leading zeros.
+                for ( ; !a[0] && a.length > 1; a.shift() );
+            }
+
+            // x: dividend, y: divisor.
+            return function ( x, y, dp, rm, base ) {
+                var cmp, e, i, more, n, prod, prodL, q, qc, rem, remL, rem0, xi, xL, yc0,
+                    yL, yz,
+                    s = x.s == y.s ? 1 : -1,
+                    xc = x.c,
+                    yc = y.c;
+
+                // Either NaN, Infinity or 0?
+                if ( !xc || !xc[0] || !yc || !yc[0] ) {
+
+                    return new BigNumber(
+
+                      // Return NaN if either NaN, or both Infinity or 0.
+                      !x.s || !y.s || ( xc ? yc && xc[0] == yc[0] : !yc ) ? NaN :
+
+                        // Return ±0 if x is ±0 or y is ±Infinity, or return ±Infinity as y is ±0.
+                        xc && xc[0] == 0 || !yc ? s * 0 : s / 0
+                    );
+                }
+
+                q = new BigNumber(s);
+                qc = q.c = [];
+                e = x.e - y.e;
+                s = dp + e + 1;
+
+                if ( !base ) {
+                    base = BASE;
+                    e = bitFloor( x.e / LOG_BASE ) - bitFloor( y.e / LOG_BASE );
+                    s = s / LOG_BASE | 0;
+                }
+
+                // Result exponent may be one less then the current value of e.
+                // The coefficients of the BigNumbers from convertBase may have trailing zeros.
+                for ( i = 0; yc[i] == ( xc[i] || 0 ); i++ );
+                if ( yc[i] > ( xc[i] || 0 ) ) e--;
+
+                if ( s < 0 ) {
+                    qc.push(1);
+                    more = true;
+                } else {
+                    xL = xc.length;
+                    yL = yc.length;
+                    i = 0;
+                    s += 2;
+
+                    // Normalise xc and yc so highest order digit of yc is >= base / 2.
+
+                    n = mathfloor( base / ( yc[0] + 1 ) );
+
+                    // Not necessary, but to handle odd bases where yc[0] == ( base / 2 ) - 1.
+                    // if ( n > 1 || n++ == 1 && yc[0] < base / 2 ) {
+                    if ( n > 1 ) {
+                        yc = multiply( yc, n, base );
+                        xc = multiply( xc, n, base );
+                        yL = yc.length;
+                        xL = xc.length;
+                    }
+
+                    xi = yL;
+                    rem = xc.slice( 0, yL );
+                    remL = rem.length;
+
+                    // Add zeros to make remainder as long as divisor.
+                    for ( ; remL < yL; rem[remL++] = 0 );
+                    yz = yc.slice();
+                    yz.unshift(0);
+                    yc0 = yc[0];
+                    if ( yc[1] >= base / 2 ) yc0++;
+                    // Not necessary, but to prevent trial digit n > base, when using base 3.
+                    // else if ( base == 3 && yc0 == 1 ) yc0 = 1 + 1e-15;
+
+                    do {
+                        n = 0;
+
+                        // Compare divisor and remainder.
+                        cmp = compare( yc, rem, yL, remL );
+
+                        // If divisor < remainder.
+                        if ( cmp < 0 ) {
+
+                            // Calculate trial digit, n.
+
+                            rem0 = rem[0];
+                            if ( yL != remL ) rem0 = rem0 * base + ( rem[1] || 0 );
+
+                            // n is how many times the divisor goes into the current remainder.
+                            n = mathfloor( rem0 / yc0 );
+
+                            //  Algorithm:
+                            //  1. product = divisor * trial digit (n)
+                            //  2. if product > remainder: product -= divisor, n--
+                            //  3. remainder -= product
+                            //  4. if product was < remainder at 2:
+                            //    5. compare new remainder and divisor
+                            //    6. If remainder > divisor: remainder -= divisor, n++
+
+                            if ( n > 1 ) {
+
+                                // n may be > base only when base is 3.
+                                if (n >= base) n = base - 1;
+
+                                // product = divisor * trial digit.
+                                prod = multiply( yc, n, base );
+                                prodL = prod.length;
+                                remL = rem.length;
+
+                                // Compare product and remainder.
+                                // If product > remainder.
+                                // Trial digit n too high.
+                                // n is 1 too high about 5% of the time, and is not known to have
+                                // ever been more than 1 too high.
+                                while ( compare( prod, rem, prodL, remL ) == 1 ) {
+                                    n--;
+
+                                    // Subtract divisor from product.
+                                    subtract( prod, yL < prodL ? yz : yc, prodL, base );
+                                    prodL = prod.length;
+                                    cmp = 1;
+                                }
+                            } else {
+
+                                // n is 0 or 1, cmp is -1.
+                                // If n is 0, there is no need to compare yc and rem again below,
+                                // so change cmp to 1 to avoid it.
+                                // If n is 1, leave cmp as -1, so yc and rem are compared again.
+                                if ( n == 0 ) {
+
+                                    // divisor < remainder, so n must be at least 1.
+                                    cmp = n = 1;
+                                }
+
+                                // product = divisor
+                                prod = yc.slice();
+                                prodL = prod.length;
+                            }
+
+                            if ( prodL < remL ) prod.unshift(0);
+
+                            // Subtract product from remainder.
+                            subtract( rem, prod, remL, base );
+                            remL = rem.length;
+
+                             // If product was < remainder.
+                            if ( cmp == -1 ) {
+
+                                // Compare divisor and new remainder.
+                                // If divisor < new remainder, subtract divisor from remainder.
+                                // Trial digit n too low.
+                                // n is 1 too low about 5% of the time, and very rarely 2 too low.
+                                while ( compare( yc, rem, yL, remL ) < 1 ) {
+                                    n++;
+
+                                    // Subtract divisor from remainder.
+                                    subtract( rem, yL < remL ? yz : yc, remL, base );
+                                    remL = rem.length;
+                                }
+                            }
+                        } else if ( cmp === 0 ) {
+                            n++;
+                            rem = [0];
+                        } // else cmp === 1 and n will be 0
+
+                        // Add the next digit, n, to the result array.
+                        qc[i++] = n;
+
+                        // Update the remainder.
+                        if ( rem[0] ) {
+                            rem[remL++] = xc[xi] || 0;
+                        } else {
+                            rem = [ xc[xi] ];
+                            remL = 1;
+                        }
+                    } while ( ( xi++ < xL || rem[0] != null ) && s-- );
+
+                    more = rem[0] != null;
+
+                    // Leading zero?
+                    if ( !qc[0] ) qc.shift();
+                }
+
+                if ( base == BASE ) {
+
+                    // To calculate q.e, first get the number of digits of qc[0].
+                    for ( i = 1, s = qc[0]; s >= 10; s /= 10, i++ );
+                    round( q, dp + ( q.e = i + e * LOG_BASE - 1 ) + 1, rm, more );
+
+                // Caller is convertBase.
+                } else {
+                    q.e = e;
+                    q.r = +more;
+                }
+
+                return q;
+            };
+        })();
+
+
+        /*
+         * Return a string representing the value of BigNumber n in fixed-point or exponential
+         * notation rounded to the specified decimal places or significant digits.
+         *
+         * n is a BigNumber.
+         * i is the index of the last digit required (i.e. the digit that may be rounded up).
+         * rm is the rounding mode.
+         * caller is caller id: toExponential 19, toFixed 20, toFormat 21, toPrecision 24.
+         */
+        function format( n, i, rm, caller ) {
+            var c0, e, ne, len, str;
+
+            rm = rm != null && isValidInt( rm, 0, 8, caller, roundingMode )
+              ? rm | 0 : ROUNDING_MODE;
+
+            if ( !n.c ) return n.toString();
+            c0 = n.c[0];
+            ne = n.e;
+
+            if ( i == null ) {
+                str = coeffToString( n.c );
+                str = caller == 19 || caller == 24 && ne <= TO_EXP_NEG
+                  ? toExponential( str, ne )
+                  : toFixedPoint( str, ne );
+            } else {
+                n = round( new BigNumber(n), i, rm );
+
+                // n.e may have changed if the value was rounded up.
+                e = n.e;
+
+                str = coeffToString( n.c );
+                len = str.length;
+
+                // toPrecision returns exponential notation if the number of significant digits
+                // specified is less than the number of digits necessary to represent the integer
+                // part of the value in fixed-point notation.
+
+                // Exponential notation.
+                if ( caller == 19 || caller == 24 && ( i <= e || e <= TO_EXP_NEG ) ) {
+
+                    // Append zeros?
+                    for ( ; len < i; str += '0', len++ );
+                    str = toExponential( str, e );
+
+                // Fixed-point notation.
+                } else {
+                    i -= ne;
+                    str = toFixedPoint( str, e );
+
+                    // Append zeros?
+                    if ( e + 1 > len ) {
+                        if ( --i > 0 ) for ( str += '.'; i--; str += '0' );
+                    } else {
+                        i += e - len;
+                        if ( i > 0 ) {
+                            if ( e + 1 == len ) str += '.';
+                            for ( ; i--; str += '0' );
+                        }
+                    }
+                }
+            }
+
+            return n.s < 0 && c0 ? '-' + str : str;
+        }
+
+
+        // Handle BigNumber.max and BigNumber.min.
+        function maxOrMin( args, method ) {
+            var m, n,
+                i = 0;
+
+            if ( isArray( args[0] ) ) args = args[0];
+            m = new BigNumber( args[0] );
+
+            for ( ; ++i < args.length; ) {
+                n = new BigNumber( args[i] );
+
+                // If any number is NaN, return NaN.
+                if ( !n.s ) {
+                    m = n;
+                    break;
+                } else if ( method.call( m, n ) ) {
+                    m = n;
+                }
+            }
+
+            return m;
+        }
+
+
+        /*
+         * Return true if n is an integer in range, otherwise throw.
+         * Use for argument validation when ERRORS is true.
+         */
+        function intValidatorWithErrors( n, min, max, caller, name ) {
+            if ( n < min || n > max || n != truncate(n) ) {
+                raise( caller, ( name || 'decimal places' ) +
+                  ( n < min || n > max ? ' out of range' : ' not an integer' ), n );
+            }
+
+            return true;
+        }
+
+
+        /*
+         * Strip trailing zeros, calculate base 10 exponent and check against MIN_EXP and MAX_EXP.
+         * Called by minus, plus and times.
+         */
+        function normalise( n, c, e ) {
+            var i = 1,
+                j = c.length;
+
+             // Remove trailing zeros.
+            for ( ; !c[--j]; c.pop() );
+
+            // Calculate the base 10 exponent. First get the number of digits of c[0].
+            for ( j = c[0]; j >= 10; j /= 10, i++ );
+
+            // Overflow?
+            if ( ( e = i + e * LOG_BASE - 1 ) > MAX_EXP ) {
+
+                // Infinity.
+                n.c = n.e = null;
+
+            // Underflow?
+            } else if ( e < MIN_EXP ) {
+
+                // Zero.
+                n.c = [ n.e = 0 ];
+            } else {
+                n.e = e;
+                n.c = c;
+            }
+
+            return n;
+        }
+
+
+        // Handle values that fail the validity test in BigNumber.
+        parseNumeric = (function () {
+            var basePrefix = /^(-?)0([xbo])/i,
+                dotAfter = /^([^.]+)\.$/,
+                dotBefore = /^\.([^.]+)$/,
+                isInfinityOrNaN = /^-?(Infinity|NaN)$/,
+                whitespaceOrPlus = /^\s*\+|^\s+|\s+$/g;
+
+            return function ( x, str, num, b ) {
+                var base,
+                    s = num ? str : str.replace( whitespaceOrPlus, '' );
+
+                // No exception on ±Infinity or NaN.
+                if ( isInfinityOrNaN.test(s) ) {
+                    x.s = isNaN(s) ? null : s < 0 ? -1 : 1;
+                } else {
+                    if ( !num ) {
+
+                        // basePrefix = /^(-?)0([xbo])(?=\w[\w.]*$)/i
+                        s = s.replace( basePrefix, function ( m, p1, p2 ) {
+                            base = ( p2 = p2.toLowerCase() ) == 'x' ? 16 : p2 == 'b' ? 2 : 8;
+                            return !b || b == base ? p1 : m;
+                        });
+
+                        if (b) {
+                            base = b;
+
+                            // E.g. '1.' to '1', '.1' to '0.1'
+                            s = s.replace( dotAfter, '$1' ).replace( dotBefore, '0.$1' );
+                        }
+
+                        if ( str != s ) return new BigNumber( s, base );
+                    }
+
+                    // 'new BigNumber() not a number: {n}'
+                    // 'new BigNumber() not a base {b} number: {n}'
+                    if (ERRORS) raise( id, 'not a' + ( b ? ' base ' + b : '' ) + ' number', str );
+                    x.s = null;
+                }
+
+                x.c = x.e = null;
+                id = 0;
+            }
+        })();
+
+
+        // Throw a BigNumber Error.
+        function raise( caller, msg, val ) {
+            var error = new Error( [
+                'new BigNumber',     // 0
+                'cmp',               // 1
+                'config',            // 2
+                'div',               // 3
+                'divToInt',          // 4
+                'eq',                // 5
+                'gt',                // 6
+                'gte',               // 7
+                'lt',                // 8
+                'lte',               // 9
+                'minus',             // 10
+                'mod',               // 11
+                'plus',              // 12
+                'precision',         // 13
+                'random',            // 14
+                'round',             // 15
+                'shift',             // 16
+                'times',             // 17
+                'toDigits',          // 18
+                'toExponential',     // 19
+                'toFixed',           // 20
+                'toFormat',          // 21
+                'toFraction',        // 22
+                'pow',               // 23
+                'toPrecision',       // 24
+                'toString',          // 25
+                'BigNumber'          // 26
+            ][caller] + '() ' + msg + ': ' + val );
+
+            error.name = 'BigNumber Error';
+            id = 0;
+            throw error;
+        }
+
+
+        /*
+         * Round x to sd significant digits using rounding mode rm. Check for over/under-flow.
+         * If r is truthy, it is known that there are more digits after the rounding digit.
+         */
+        function round( x, sd, rm, r ) {
+            var d, i, j, k, n, ni, rd,
+                xc = x.c,
+                pows10 = POWS_TEN;
+
+            // if x is not Infinity or NaN...
+            if (xc) {
+
+                // rd is the rounding digit, i.e. the digit after the digit that may be rounded up.
+                // n is a base 1e14 number, the value of the element of array x.c containing rd.
+                // ni is the index of n within x.c.
+                // d is the number of digits of n.
+                // i is the index of rd within n including leading zeros.
+                // j is the actual index of rd within n (if < 0, rd is a leading zero).
+                out: {
+
+                    // Get the number of digits of the first element of xc.
+                    for ( d = 1, k = xc[0]; k >= 10; k /= 10, d++ );
+                    i = sd - d;
+
+                    // If the rounding digit is in the first element of xc...
+                    if ( i < 0 ) {
+                        i += LOG_BASE;
+                        j = sd;
+                        n = xc[ ni = 0 ];
+
+                        // Get the rounding digit at index j of n.
+                        rd = n / pows10[ d - j - 1 ] % 10 | 0;
+                    } else {
+                        ni = mathceil( ( i + 1 ) / LOG_BASE );
+
+                        if ( ni >= xc.length ) {
+
+                            if (r) {
+
+                                // Needed by sqrt.
+                                for ( ; xc.length <= ni; xc.push(0) );
+                                n = rd = 0;
+                                d = 1;
+                                i %= LOG_BASE;
+                                j = i - LOG_BASE + 1;
+                            } else {
+                                break out;
+                            }
+                        } else {
+                            n = k = xc[ni];
+
+                            // Get the number of digits of n.
+                            for ( d = 1; k >= 10; k /= 10, d++ );
+
+                            // Get the index of rd within n.
+                            i %= LOG_BASE;
+
+                            // Get the index of rd within n, adjusted for leading zeros.
+                            // The number of leading zeros of n is given by LOG_BASE - d.
+                            j = i - LOG_BASE + d;
+
+                            // Get the rounding digit at index j of n.
+                            rd = j < 0 ? 0 : n / pows10[ d - j - 1 ] % 10 | 0;
+                        }
+                    }
+
+                    r = r || sd < 0 ||
+
+                    // Are there any non-zero digits after the rounding digit?
+                    // The expression  n % pows10[ d - j - 1 ]  returns all digits of n to the right
+                    // of the digit at j, e.g. if n is 908714 and j is 2, the expression gives 714.
+                      xc[ni + 1] != null || ( j < 0 ? n : n % pows10[ d - j - 1 ] );
+
+                    r = rm < 4
+                      ? ( rd || r ) && ( rm == 0 || rm == ( x.s < 0 ? 3 : 2 ) )
+                      : rd > 5 || rd == 5 && ( rm == 4 || r || rm == 6 &&
+
+                        // Check whether the digit to the left of the rounding digit is odd.
+                        ( ( i > 0 ? j > 0 ? n / pows10[ d - j ] : 0 : xc[ni - 1] ) % 10 ) & 1 ||
+                          rm == ( x.s < 0 ? 8 : 7 ) );
+
+                    if ( sd < 1 || !xc[0] ) {
+                        xc.length = 0;
+
+                        if (r) {
+
+                            // Convert sd to decimal places.
+                            sd -= x.e + 1;
+
+                            // 1, 0.1, 0.01, 0.001, 0.0001 etc.
+                            xc[0] = pows10[ sd % LOG_BASE ];
+                            x.e = -sd || 0;
+                        } else {
+
+                            // Zero.
+                            xc[0] = x.e = 0;
+                        }
+
+                        return x;
+                    }
+
+                    // Remove excess digits.
+                    if ( i == 0 ) {
+                        xc.length = ni;
+                        k = 1;
+                        ni--;
+                    } else {
+                        xc.length = ni + 1;
+                        k = pows10[ LOG_BASE - i ];
+
+                        // E.g. 56700 becomes 56000 if 7 is the rounding digit.
+                        // j > 0 means i > number of leading zeros of n.
+                        xc[ni] = j > 0 ? mathfloor( n / pows10[ d - j ] % pows10[j] ) * k : 0;
+                    }
+
+                    // Round up?
+                    if (r) {
+
+                        for ( ; ; ) {
+
+                            // If the digit to be rounded up is in the first element of xc...
+                            if ( ni == 0 ) {
+
+                                // i will be the length of xc[0] before k is added.
+                                for ( i = 1, j = xc[0]; j >= 10; j /= 10, i++ );
+                                j = xc[0] += k;
+                                for ( k = 1; j >= 10; j /= 10, k++ );
+
+                                // if i != k the length has increased.
+                                if ( i != k ) {
+                                    x.e++;
+                                    if ( xc[0] == BASE ) xc[0] = 1;
+                                }
+
+                                break;
+                            } else {
+                                xc[ni] += k;
+                                if ( xc[ni] != BASE ) break;
+                                xc[ni--] = 0;
+                                k = 1;
+                            }
+                        }
+                    }
+
+                    // Remove trailing zeros.
+                    for ( i = xc.length; xc[--i] === 0; xc.pop() );
+                }
+
+                // Overflow? Infinity.
+                if ( x.e > MAX_EXP ) {
+                    x.c = x.e = null;
+
+                // Underflow? Zero.
+                } else if ( x.e < MIN_EXP ) {
+                    x.c = [ x.e = 0 ];
+                }
+            }
+
+            return x;
+        }
+
+
+        // PROTOTYPE/INSTANCE METHODS
+
+
+        /*
+         * Return a new BigNumber whose value is the absolute value of this BigNumber.
+         */
+        P.absoluteValue = P.abs = function () {
+            var x = new BigNumber(this);
+            if ( x.s < 0 ) x.s = 1;
+            return x;
+        };
+
+
+        /*
+         * Return a new BigNumber whose value is the value of this BigNumber rounded to a whole
+         * number in the direction of Infinity.
+         */
+        P.ceil = function () {
+            return round( new BigNumber(this), this.e + 1, 2 );
+        };
+
+
+        /*
+         * Return
+         * 1 if the value of this BigNumber is greater than the value of BigNumber(y, b),
+         * -1 if the value of this BigNumber is less than the value of BigNumber(y, b),
+         * 0 if they have the same value,
+         * or null if the value of either is NaN.
+         */
+        P.comparedTo = P.cmp = function ( y, b ) {
+            id = 1;
+            return compare( this, new BigNumber( y, b ) );
+        };
+
+
+        /*
+         * Return the number of decimal places of the value of this BigNumber, or null if the value
+         * of this BigNumber is ±Infinity or NaN.
+         */
+        P.decimalPlaces = P.dp = function () {
+            var n, v,
+                c = this.c;
+
+            if ( !c ) return null;
+            n = ( ( v = c.length - 1 ) - bitFloor( this.e / LOG_BASE ) ) * LOG_BASE;
+
+            // Subtract the number of trailing zeros of the last number.
+            if ( v = c[v] ) for ( ; v % 10 == 0; v /= 10, n-- );
+            if ( n < 0 ) n = 0;
+
+            return n;
+        };
+
+
+        /*
+         *  n / 0 = I
+         *  n / N = N
+         *  n / I = 0
+         *  0 / n = 0
+         *  0 / 0 = N
+         *  0 / N = N
+         *  0 / I = 0
+         *  N / n = N
+         *  N / 0 = N
+         *  N / N = N
+         *  N / I = N
+         *  I / n = I
+         *  I / 0 = I
+         *  I / N = N
+         *  I / I = N
+         *
+         * Return a new BigNumber whose value is the value of this BigNumber divided by the value of
+         * BigNumber(y, b), rounded according to DECIMAL_PLACES and ROUNDING_MODE.
+         */
+        P.dividedBy = P.div = function ( y, b ) {
+            id = 3;
+            return div( this, new BigNumber( y, b ), DECIMAL_PLACES, ROUNDING_MODE );
+        };
+
+
+        /*
+         * Return a new BigNumber whose value is the integer part of dividing the value of this
+         * BigNumber by the value of BigNumber(y, b).
+         */
+        P.dividedToIntegerBy = P.divToInt = function ( y, b ) {
+            id = 4;
+            return div( this, new BigNumber( y, b ), 0, 1 );
+        };
+
+
+        /*
+         * Return true if the value of this BigNumber is equal to the value of BigNumber(y, b),
+         * otherwise returns false.
+         */
+        P.equals = P.eq = function ( y, b ) {
+            id = 5;
+            return compare( this, new BigNumber( y, b ) ) === 0;
+        };
+
+
+        /*
+         * Return a new BigNumber whose value is the value of this BigNumber rounded to a whole
+         * number in the direction of -Infinity.
+         */
+        P.floor = function () {
+            return round( new BigNumber(this), this.e + 1, 3 );
+        };
+
+
+        /*
+         * Return true if the value of this BigNumber is greater than the value of BigNumber(y, b),
+         * otherwise returns false.
+         */
+        P.greaterThan = P.gt = function ( y, b ) {
+            id = 6;
+            return compare( this, new BigNumber( y, b ) ) > 0;
+        };
+
+
+        /*
+         * Return true if the value of this BigNumber is greater than or equal to the value of
+         * BigNumber(y, b), otherwise returns false.
+         */
+        P.greaterThanOrEqualTo = P.gte = function ( y, b ) {
+            id = 7;
+            return ( b = compare( this, new BigNumber( y, b ) ) ) === 1 || b === 0;
+
+        };
+
+
+        /*
+         * Return true if the value of this BigNumber is a finite number, otherwise returns false.
+         */
+        P.isFinite = function () {
+            return !!this.c;
+        };
+
+
+        /*
+         * Return true if the value of this BigNumber is an integer, otherwise return false.
+         */
+        P.isInteger = P.isInt = function () {
+            return !!this.c && bitFloor( this.e / LOG_BASE ) > this.c.length - 2;
+        };
+
+
+        /*
+         * Return true if the value of this BigNumber is NaN, otherwise returns false.
+         */
+        P.isNaN = function () {
+            return !this.s;
+        };
+
+
+        /*
+         * Return true if the value of this BigNumber is negative, otherwise returns false.
+         */
+        P.isNegative = P.isNeg = function () {
+            return this.s < 0;
+        };
+
+
+        /*
+         * Return true if the value of this BigNumber is 0 or -0, otherwise returns false.
+         */
+        P.isZero = function () {
+            return !!this.c && this.c[0] == 0;
+        };
+
+
+        /*
+         * Return true if the value of this BigNumber is less than the value of BigNumber(y, b),
+         * otherwise returns false.
+         */
+        P.lessThan = P.lt = function ( y, b ) {
+            id = 8;
+            return compare( this, new BigNumber( y, b ) ) < 0;
+        };
+
+
+        /*
+         * Return true if the value of this BigNumber is less than or equal to the value of
+         * BigNumber(y, b), otherwise returns false.
+         */
+        P.lessThanOrEqualTo = P.lte = function ( y, b ) {
+            id = 9;
+            return ( b = compare( this, new BigNumber( y, b ) ) ) === -1 || b === 0;
+        };
+
+
+        /*
+         *  n - 0 = n
+         *  n - N = N
+         *  n - I = -I
+         *  0 - n = -n
+         *  0 - 0 = 0
+         *  0 - N = N
+         *  0 - I = -I
+         *  N - n = N
+         *  N - 0 = N
+         *  N - N = N
+         *  N - I = N
+         *  I - n = I
+         *  I - 0 = I
+         *  I - N = N
+         *  I - I = N
+         *
+         * Return a new BigNumber whose value is the value of this BigNumber minus the value of
+         * BigNumber(y, b).
+         */
+        P.minus = P.sub = function ( y, b ) {
+            var i, j, t, xLTy,
+                x = this,
+                a = x.s;
+
+            id = 10;
+            y = new BigNumber( y, b );
+            b = y.s;
+
+            // Either NaN?
+            if ( !a || !b ) return new BigNumber(NaN);
+
+            // Signs differ?
+            if ( a != b ) {
+                y.s = -b;
+                return x.plus(y);
+            }
+
+            var xe = x.e / LOG_BASE,
+                ye = y.e / LOG_BASE,
+                xc = x.c,
+                yc = y.c;
+
+            if ( !xe || !ye ) {
+
+                // Either Infinity?
+                if ( !xc || !yc ) return xc ? ( y.s = -b, y ) : new BigNumber( yc ? x : NaN );
+
+                // Either zero?
+                if ( !xc[0] || !yc[0] ) {
+
+                    // Return y if y is non-zero, x if x is non-zero, or zero if both are zero.
+                    return yc[0] ? ( y.s = -b, y ) : new BigNumber( xc[0] ? x :
+
+                      // IEEE 754 (2008) 6.3: n - n = -0 when rounding to -Infinity
+                      ROUNDING_MODE == 3 ? -0 : 0 );
+                }
+            }
+
+            xe = bitFloor(xe);
+            ye = bitFloor(ye);
+            xc = xc.slice();
+
+            // Determine which is the bigger number.
+            if ( a = xe - ye ) {
+
+                if ( xLTy = a < 0 ) {
+                    a = -a;
+                    t = xc;
+                } else {
+                    ye = xe;
+                    t = yc;
+                }
+
+                t.reverse();
+
+                // Prepend zeros to equalise exponents.
+                for ( b = a; b--; t.push(0) );
+                t.reverse();
+            } else {
+
+                // Exponents equal. Check digit by digit.
+                j = ( xLTy = ( a = xc.length ) < ( b = yc.length ) ) ? a : b;
+
+                for ( a = b = 0; b < j; b++ ) {
+
+                    if ( xc[b] != yc[b] ) {
+                        xLTy = xc[b] < yc[b];
+                        break;
+                    }
+                }
+            }
+
+            // x < y? Point xc to the array of the bigger number.
+            if (xLTy) t = xc, xc = yc, yc = t, y.s = -y.s;
+
+            b = ( j = yc.length ) - ( i = xc.length );
+
+            // Append zeros to xc if shorter.
+            // No need to add zeros to yc if shorter as subtract only needs to start at yc.length.
+            if ( b > 0 ) for ( ; b--; xc[i++] = 0 );
+            b = BASE - 1;
+
+            // Subtract yc from xc.
+            for ( ; j > a; ) {
+
+                if ( xc[--j] < yc[j] ) {
+                    for ( i = j; i && !xc[--i]; xc[i] = b );
+                    --xc[i];
+                    xc[j] += BASE;
+                }
+
+                xc[j] -= yc[j];
+            }
+
+            // Remove leading zeros and adjust exponent accordingly.
+            for ( ; xc[0] == 0; xc.shift(), --ye );
+
+            // Zero?
+            if ( !xc[0] ) {
+
+                // Following IEEE 754 (2008) 6.3,
+                // n - n = +0  but  n - n = -0  when rounding towards -Infinity.
+                y.s = ROUNDING_MODE == 3 ? -1 : 1;
+                y.c = [ y.e = 0 ];
+                return y;
+            }
+
+            // No need to check for Infinity as +x - +y != Infinity && -x - -y != Infinity
+            // for finite x and y.
+            return normalise( y, xc, ye );
+        };
+
+
+        /*
+         *   n % 0 =  N
+         *   n % N =  N
+         *   n % I =  n
+         *   0 % n =  0
+         *  -0 % n = -0
+         *   0 % 0 =  N
+         *   0 % N =  N
+         *   0 % I =  0
+         *   N % n =  N
+         *   N % 0 =  N
+         *   N % N =  N
+         *   N % I =  N
+         *   I % n =  N
+         *   I % 0 =  N
+         *   I % N =  N
+         *   I % I =  N
+         *
+         * Return a new BigNumber whose value is the value of this BigNumber modulo the value of
+         * BigNumber(y, b). The result depends on the value of MODULO_MODE.
+         */
+        P.modulo = P.mod = function ( y, b ) {
+            var q, s,
+                x = this;
+
+            id = 11;
+            y = new BigNumber( y, b );
+
+            // Return NaN if x is Infinity or NaN, or y is NaN or zero.
+            if ( !x.c || !y.s || y.c && !y.c[0] ) {
+                return new BigNumber(NaN);
+
+            // Return x if y is Infinity or x is zero.
+            } else if ( !y.c || x.c && !x.c[0] ) {
+                return new BigNumber(x);
+            }
+
+            if ( MODULO_MODE == 9 ) {
+
+                // Euclidian division: q = sign(y) * floor(x / abs(y))
+                // r = x - qy    where  0 <= r < abs(y)
+                s = y.s;
+                y.s = 1;
+                q = div( x, y, 0, 3 );
+                y.s = s;
+                q.s *= s;
+            } else {
+                q = div( x, y, 0, MODULO_MODE );
+            }
+
+            return x.minus( q.times(y) );
+        };
+
+
+        /*
+         * Return a new BigNumber whose value is the value of this BigNumber negated,
+         * i.e. multiplied by -1.
+         */
+        P.negated = P.neg = function () {
+            var x = new BigNumber(this);
+            x.s = -x.s || null;
+            return x;
+        };
+
+
+        /*
+         *  n + 0 = n
+         *  n + N = N
+         *  n + I = I
+         *  0 + n = n
+         *  0 + 0 = 0
+         *  0 + N = N
+         *  0 + I = I
+         *  N + n = N
+         *  N + 0 = N
+         *  N + N = N
+         *  N + I = N
+         *  I + n = I
+         *  I + 0 = I
+         *  I + N = N
+         *  I + I = I
+         *
+         * Return a new BigNumber whose value is the value of this BigNumber plus the value of
+         * BigNumber(y, b).
+         */
+        P.plus = P.add = function ( y, b ) {
+            var t,
+                x = this,
+                a = x.s;
+
+            id = 12;
+            y = new BigNumber( y, b );
+            b = y.s;
+
+            // Either NaN?
+            if ( !a || !b ) return new BigNumber(NaN);
+
+            // Signs differ?
+             if ( a != b ) {
+                y.s = -b;
+                return x.minus(y);
+            }
+
+            var xe = x.e / LOG_BASE,
+                ye = y.e / LOG_BASE,
+                xc = x.c,
+                yc = y.c;
+
+            if ( !xe || !ye ) {
+
+                // Return ±Infinity if either ±Infinity.
+                if ( !xc || !yc ) return new BigNumber( a / 0 );
+
+                // Either zero?
+                // Return y if y is non-zero, x if x is non-zero, or zero if both are zero.
+                if ( !xc[0] || !yc[0] ) return yc[0] ? y : new BigNumber( xc[0] ? x : a * 0 );
+            }
+
+            xe = bitFloor(xe);
+            ye = bitFloor(ye);
+            xc = xc.slice();
+
+            // Prepend zeros to equalise exponents. Faster to use reverse then do unshifts.
+            if ( a = xe - ye ) {
+                if ( a > 0 ) {
+                    ye = xe;
+                    t = yc;
+                } else {
+                    a = -a;
+                    t = xc;
+                }
+
+                t.reverse();
+                for ( ; a--; t.push(0) );
+                t.reverse();
+            }
+
+            a = xc.length;
+            b = yc.length;
+
+            // Point xc to the longer array, and b to the shorter length.
+            if ( a - b < 0 ) t = yc, yc = xc, xc = t, b = a;
+
+            // Only start adding at yc.length - 1 as the further digits of xc can be ignored.
+            for ( a = 0; b; ) {
+                a = ( xc[--b] = xc[b] + yc[b] + a ) / BASE | 0;
+                xc[b] %= BASE;
+            }
+
+            if (a) {
+                xc.unshift(a);
+                ++ye;
+            }
+
+            // No need to check for zero, as +x + +y != 0 && -x + -y != 0
+            // ye = MAX_EXP + 1 possible
+            return normalise( y, xc, ye );
+        };
+
+
+        /*
+         * Return the number of significant digits of the value of this BigNumber.
+         *
+         * [z] {boolean|number} Whether to count integer-part trailing zeros: true, false, 1 or 0.
+         */
+        P.precision = P.sd = function (z) {
+            var n, v,
+                x = this,
+                c = x.c;
+
+            // 'precision() argument not a boolean or binary digit: {z}'
+            if ( z != null && z !== !!z && z !== 1 && z !== 0 ) {
+                if (ERRORS) raise( 13, 'argument' + notBool, z );
+                if ( z != !!z ) z = null;
+            }
+
+            if ( !c ) return null;
+            v = c.length - 1;
+            n = v * LOG_BASE + 1;
+
+            if ( v = c[v] ) {
+
+                // Subtract the number of trailing zeros of the last element.
+                for ( ; v % 10 == 0; v /= 10, n-- );
+
+                // Add the number of digits of the first element.
+                for ( v = c[0]; v >= 10; v /= 10, n++ );
+            }
+
+            if ( z && x.e + 1 > n ) n = x.e + 1;
+
+            return n;
+        };
+
+
+        /*
+         * Return a new BigNumber whose value is the value of this BigNumber rounded to a maximum of
+         * dp decimal places using rounding mode rm, or to 0 and ROUNDING_MODE respectively if
+         * omitted.
+         *
+         * [dp] {number} Decimal places. Integer, 0 to MAX inclusive.
+         * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.
+         *
+         * 'round() decimal places out of range: {dp}'
+         * 'round() decimal places not an integer: {dp}'
+         * 'round() rounding mode not an integer: {rm}'
+         * 'round() rounding mode out of range: {rm}'
+         */
+        P.round = function ( dp, rm ) {
+            var n = new BigNumber(this);
+
+            if ( dp == null || isValidInt( dp, 0, MAX, 15 ) ) {
+                round( n, ~~dp + this.e + 1, rm == null ||
+                  !isValidInt( rm, 0, 8, 15, roundingMode ) ? ROUNDING_MODE : rm | 0 );
+            }
+
+            return n;
+        };
+
+
+        /*
+         * Return a new BigNumber whose value is the value of this BigNumber shifted by k places
+         * (powers of 10). Shift to the right if n > 0, and to the left if n < 0.
+         *
+         * k {number} Integer, -MAX_SAFE_INTEGER to MAX_SAFE_INTEGER inclusive.
+         *
+         * If k is out of range and ERRORS is false, the result will be ±0 if k < 0, or ±Infinity
+         * otherwise.
+         *
+         * 'shift() argument not an integer: {k}'
+         * 'shift() argument out of range: {k}'
+         */
+        P.shift = function (k) {
+            var n = this;
+            return isValidInt( k, -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER, 16, 'argument' )
+
+              // k < 1e+21, or truncate(k) will produce exponential notation.
+              ? n.times( '1e' + truncate(k) )
+              : new BigNumber( n.c && n.c[0] && ( k < -MAX_SAFE_INTEGER || k > MAX_SAFE_INTEGER )
+                ? n.s * ( k < 0 ? 0 : 1 / 0 )
+                : n );
+        };
+
+
+        /*
+         *  sqrt(-n) =  N
+         *  sqrt( N) =  N
+         *  sqrt(-I) =  N
+         *  sqrt( I) =  I
+         *  sqrt( 0) =  0
+         *  sqrt(-0) = -0
+         *
+         * Return a new BigNumber whose value is the square root of the value of this BigNumber,
+         * rounded according to DECIMAL_PLACES and ROUNDING_MODE.
+         */
+        P.squareRoot = P.sqrt = function () {
+            var m, n, r, rep, t,
+                x = this,
+                c = x.c,
+                s = x.s,
+                e = x.e,
+                dp = DECIMAL_PLACES + 4,
+                half = new BigNumber('0.5');
+
+            // Negative/NaN/Infinity/zero?
+            if ( s !== 1 || !c || !c[0] ) {
+                return new BigNumber( !s || s < 0 && ( !c || c[0] ) ? NaN : c ? x : 1 / 0 );
+            }
+
+            // Initial estimate.
+            s = Math.sqrt( +x );
+
+            // Math.sqrt underflow/overflow?
+            // Pass x to Math.sqrt as integer, then adjust the exponent of the result.
+            if ( s == 0 || s == 1 / 0 ) {
+                n = coeffToString(c);
+                if ( ( n.length + e ) % 2 == 0 ) n += '0';
+                s = Math.sqrt(n);
+                e = bitFloor( ( e + 1 ) / 2 ) - ( e < 0 || e % 2 );
+
+                if ( s == 1 / 0 ) {
+                    n = '1e' + e;
+                } else {
+                    n = s.toExponential();
+                    n = n.slice( 0, n.indexOf('e') + 1 ) + e;
+                }
+
+                r = new BigNumber(n);
+            } else {
+                r = new BigNumber( s + '' );
+            }
+
+            // Check for zero.
+            // r could be zero if MIN_EXP is changed after the this value was created.
+            // This would cause a division by zero (x/t) and hence Infinity below, which would cause
+            // coeffToString to throw.
+            if ( r.c[0] ) {
+                e = r.e;
+                s = e + dp;
+                if ( s < 3 ) s = 0;
+
+                // Newton-Raphson iteration.
+                for ( ; ; ) {
+                    t = r;
+                    r = half.times( t.plus( div( x, t, dp, 1 ) ) );
+
+                    if ( coeffToString( t.c   ).slice( 0, s ) === ( n =
+                         coeffToString( r.c ) ).slice( 0, s ) ) {
+
+                        // The exponent of r may here be one less than the final result exponent,
+                        // e.g 0.0009999 (e-4) --> 0.001 (e-3), so adjust s so the rounding digits
+                        // are indexed correctly.
+                        if ( r.e < e ) --s;
+                        n = n.slice( s - 3, s + 1 );
+
+                        // The 4th rounding digit may be in error by -1 so if the 4 rounding digits
+                        // are 9999 or 4999 (i.e. approaching a rounding boundary) continue the
+                        // iteration.
+                        if ( n == '9999' || !rep && n == '4999' ) {
+
+                            // On the first iteration only, check to see if rounding up gives the
+                            // exact result as the nines may infinitely repeat.
+                            if ( !rep ) {
+                                round( t, t.e + DECIMAL_PLACES + 2, 0 );
+
+                                if ( t.times(t).eq(x) ) {
+                                    r = t;
+                                    break;
+                                }
+                            }
+
+                            dp += 4;
+                            s += 4;
+                            rep = 1;
+                        } else {
+
+                            // If rounding digits are null, 0{0,4} or 50{0,3}, check for exact
+                            // result. If not, then there are further digits and m will be truthy.
+                            if ( !+n || !+n.slice(1) && n.charAt(0) == '5' ) {
+
+                                // Truncate to the first rounding digit.
+                                round( r, r.e + DECIMAL_PLACES + 2, 1 );
+                                m = !r.times(r).eq(x);
+                            }
+
+                            break;
+                        }
+                    }
+                }
+            }
+
+            return round( r, r.e + DECIMAL_PLACES + 1, ROUNDING_MODE, m );
+        };
+
+
+        /*
+         *  n * 0 = 0
+         *  n * N = N
+         *  n * I = I
+         *  0 * n = 0
+         *  0 * 0 = 0
+         *  0 * N = N
+         *  0 * I = N
+         *  N * n = N
+         *  N * 0 = N
+         *  N * N = N
+         *  N * I = N
+         *  I * n = I
+         *  I * 0 = N
+         *  I * N = N
+         *  I * I = I
+         *
+         * Return a new BigNumber whose value is the value of this BigNumber times the value of
+         * BigNumber(y, b).
+         */
+        P.times = P.mul = function ( y, b ) {
+            var c, e, i, j, k, m, xcL, xlo, xhi, ycL, ylo, yhi, zc,
+                base, sqrtBase,
+                x = this,
+                xc = x.c,
+                yc = ( id = 17, y = new BigNumber( y, b ) ).c;
+
+            // Either NaN, ±Infinity or ±0?
+            if ( !xc || !yc || !xc[0] || !yc[0] ) {
+
+                // Return NaN if either is NaN, or one is 0 and the other is Infinity.
+                if ( !x.s || !y.s || xc && !xc[0] && !yc || yc && !yc[0] && !xc ) {
+                    y.c = y.e = y.s = null;
+                } else {
+                    y.s *= x.s;
+
+                    // Return ±Infinity if either is ±Infinity.
+                    if ( !xc || !yc ) {
+                        y.c = y.e = null;
+
+                    // Return ±0 if either is ±0.
+                    } else {
+                        y.c = [0];
+                        y.e = 0;
+                    }
+                }
+
+                return y;
+            }
+
+            e = bitFloor( x.e / LOG_BASE ) + bitFloor( y.e / LOG_BASE );
+            y.s *= x.s;
+            xcL = xc.length;
+            ycL = yc.length;
+
+            // Ensure xc points to longer array and xcL to its length.
+            if ( xcL < ycL ) zc = xc, xc = yc, yc = zc, i = xcL, xcL = ycL, ycL = i;
+
+            // Initialise the result array with zeros.
+            for ( i = xcL + ycL, zc = []; i--; zc.push(0) );
+
+            base = BASE;
+            sqrtBase = SQRT_BASE;
+
+            for ( i = ycL; --i >= 0; ) {
+                c = 0;
+                ylo = yc[i] % sqrtBase;
+                yhi = yc[i] / sqrtBase | 0;
+
+                for ( k = xcL, j = i + k; j > i; ) {
+                    xlo = xc[--k] % sqrtBase;
+                    xhi = xc[k] / sqrtBase | 0;
+                    m = yhi * xlo + xhi * ylo;
+                    xlo = ylo * xlo + ( ( m % sqrtBase ) * sqrtBase ) + zc[j] + c;
+                    c = ( xlo / base | 0 ) + ( m / sqrtBase | 0 ) + yhi * xhi;
+                    zc[j--] = xlo % base;
+                }
+
+                zc[j] = c;
+            }
+
+            if (c) {
+                ++e;
+            } else {
+                zc.shift();
+            }
+
+            return normalise( y, zc, e );
+        };
+
+
+        /*
+         * Return a new BigNumber whose value is the value of this BigNumber rounded to a maximum of
+         * sd significant digits using rounding mode rm, or ROUNDING_MODE if rm is omitted.
+         *
+         * [sd] {number} Significant digits. Integer, 1 to MAX inclusive.
+         * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.
+         *
+         * 'toDigits() precision out of range: {sd}'
+         * 'toDigits() precision not an integer: {sd}'
+         * 'toDigits() rounding mode not an integer: {rm}'
+         * 'toDigits() rounding mode out of range: {rm}'
+         */
+        P.toDigits = function ( sd, rm ) {
+            var n = new BigNumber(this);
+            sd = sd == null || !isValidInt( sd, 1, MAX, 18, 'precision' ) ? null : sd | 0;
+            rm = rm == null || !isValidInt( rm, 0, 8, 18, roundingMode ) ? ROUNDING_MODE : rm | 0;
+            return sd ? round( n, sd, rm ) : n;
+        };
+
+
+        /*
+         * Return a string representing the value of this BigNumber in exponential notation and
+         * rounded using ROUNDING_MODE to dp fixed decimal places.
+         *
+         * [dp] {number} Decimal places. Integer, 0 to MAX inclusive.
+         * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.
+         *
+         * 'toExponential() decimal places not an integer: {dp}'
+         * 'toExponential() decimal places out of range: {dp}'
+         * 'toExponential() rounding mode not an integer: {rm}'
+         * 'toExponential() rounding mode out of range: {rm}'
+         */
+        P.toExponential = function ( dp, rm ) {
+            return format( this,
+              dp != null && isValidInt( dp, 0, MAX, 19 ) ? ~~dp + 1 : null, rm, 19 );
+        };
+
+
+        /*
+         * Return a string representing the value of this BigNumber in fixed-point notation rounding
+         * to dp fixed decimal places using rounding mode rm, or ROUNDING_MODE if rm is omitted.
+         *
+         * Note: as with JavaScript's number type, (-0).toFixed(0) is '0',
+         * but e.g. (-0.00001).toFixed(0) is '-0'.
+         *
+         * [dp] {number} Decimal places. Integer, 0 to MAX inclusive.
+         * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.
+         *
+         * 'toFixed() decimal places not an integer: {dp}'
+         * 'toFixed() decimal places out of range: {dp}'
+         * 'toFixed() rounding mode not an integer: {rm}'
+         * 'toFixed() rounding mode out of range: {rm}'
+         */
+        P.toFixed = function ( dp, rm ) {
+            return format( this, dp != null && isValidInt( dp, 0, MAX, 20 )
+              ? ~~dp + this.e + 1 : null, rm, 20 );
+        };
+
+
+        /*
+         * Return a string representing the value of this BigNumber in fixed-point notation rounded
+         * using rm or ROUNDING_MODE to dp decimal places, and formatted according to the properties
+         * of the FORMAT object (see BigNumber.config).
+         *
+         * FORMAT = {
+         *      decimalSeparator : '.',
+         *      groupSeparator : ',',
+         *      groupSize : 3,
+         *      secondaryGroupSize : 0,
+         *      fractionGroupSeparator : '\xA0',    // non-breaking space
+         *      fractionGroupSize : 0
+         * };
+         *
+         * [dp] {number} Decimal places. Integer, 0 to MAX inclusive.
+         * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.
+         *
+         * 'toFormat() decimal places not an integer: {dp}'
+         * 'toFormat() decimal places out of range: {dp}'
+         * 'toFormat() rounding mode not an integer: {rm}'
+         * 'toFormat() rounding mode out of range: {rm}'
+         */
+        P.toFormat = function ( dp, rm ) {
+            var str = format( this, dp != null && isValidInt( dp, 0, MAX, 21 )
+              ? ~~dp + this.e + 1 : null, rm, 21 );
+
+            if ( this.c ) {
+                var i,
+                    arr = str.split('.'),
+                    g1 = +FORMAT.groupSize,
+                    g2 = +FORMAT.secondaryGroupSize,
+                    groupSeparator = FORMAT.groupSeparator,
+                    intPart = arr[0],
+                    fractionPart = arr[1],
+                    isNeg = this.s < 0,
+                    intDigits = isNeg ? intPart.slice(1) : intPart,
+                    len = intDigits.length;
+
+                if (g2) i = g1, g1 = g2, g2 = i, len -= i;
+
+                if ( g1 > 0 && len > 0 ) {
+                    i = len % g1 || g1;
+                    intPart = intDigits.substr( 0, i );
+
+                    for ( ; i < len; i += g1 ) {
+                        intPart += groupSeparator + intDigits.substr( i, g1 );
+                    }
+
+                    if ( g2 > 0 ) intPart += groupSeparator + intDigits.slice(i);
+                    if (isNeg) intPart = '-' + intPart;
+                }
+
+                str = fractionPart
+                  ? intPart + FORMAT.decimalSeparator + ( ( g2 = +FORMAT.fractionGroupSize )
+                    ? fractionPart.replace( new RegExp( '\\d{' + g2 + '}\\B', 'g' ),
+                      '$&' + FORMAT.fractionGroupSeparator )
+                    : fractionPart )
+                  : intPart;
+            }
+
+            return str;
+        };
+
+
+        /*
+         * Return a string array representing the value of this BigNumber as a simple fraction with
+         * an integer numerator and an integer denominator. The denominator will be a positive
+         * non-zero value less than or equal to the specified maximum denominator. If a maximum
+         * denominator is not specified, the denominator will be the lowest value necessary to
+         * represent the number exactly.
+         *
+         * [md] {number|string|BigNumber} Integer >= 1 and < Infinity. The maximum denominator.
+         *
+         * 'toFraction() max denominator not an integer: {md}'
+         * 'toFraction() max denominator out of range: {md}'
+         */
+        P.toFraction = function (md) {
+            var arr, d0, d2, e, exp, n, n0, q, s,
+                k = ERRORS,
+                x = this,
+                xc = x.c,
+                d = new BigNumber(ONE),
+                n1 = d0 = new BigNumber(ONE),
+                d1 = n0 = new BigNumber(ONE);
+
+            if ( md != null ) {
+                ERRORS = false;
+                n = new BigNumber(md);
+                ERRORS = k;
+
+                if ( !( k = n.isInt() ) || n.lt(ONE) ) {
+
+                    if (ERRORS) {
+                        raise( 22,
+                          'max denominator ' + ( k ? 'out of range' : 'not an integer' ), md );
+                    }
+
+                    // ERRORS is false:
+                    // If md is a finite non-integer >= 1, round it to an integer and use it.
+                    md = !k && n.c && round( n, n.e + 1, 1 ).gte(ONE) ? n : null;
+                }
+            }
+
+            if ( !xc ) return x.toString();
+            s = coeffToString(xc);
+
+            // Determine initial denominator.
+            // d is a power of 10 and the minimum max denominator that specifies the value exactly.
+            e = d.e = s.length - x.e - 1;
+            d.c[0] = POWS_TEN[ ( exp = e % LOG_BASE ) < 0 ? LOG_BASE + exp : exp ];
+            md = !md || n.cmp(d) > 0 ? ( e > 0 ? d : n1 ) : n;
+
+            exp = MAX_EXP;
+            MAX_EXP = 1 / 0;
+            n = new BigNumber(s);
+
+            // n0 = d1 = 0
+            n0.c[0] = 0;
+
+            for ( ; ; )  {
+                q = div( n, d, 0, 1 );
+                d2 = d0.plus( q.times(d1) );
+                if ( d2.cmp(md) == 1 ) break;
+                d0 = d1;
+                d1 = d2;
+                n1 = n0.plus( q.times( d2 = n1 ) );
+                n0 = d2;
+                d = n.minus( q.times( d2 = d ) );
+                n = d2;
+            }
+
+            d2 = div( md.minus(d0), d1, 0, 1 );
+            n0 = n0.plus( d2.times(n1) );
+            d0 = d0.plus( d2.times(d1) );
+            n0.s = n1.s = x.s;
+            e *= 2;
+
+            // Determine which fraction is closer to x, n0/d0 or n1/d1
+            arr = div( n1, d1, e, ROUNDING_MODE ).minus(x).abs().cmp(
+                  div( n0, d0, e, ROUNDING_MODE ).minus(x).abs() ) < 1
+                    ? [ n1.toString(), d1.toString() ]
+                    : [ n0.toString(), d0.toString() ];
+
+            MAX_EXP = exp;
+            return arr;
+        };
+
+
+        /*
+         * Return the value of this BigNumber converted to a number primitive.
+         */
+        P.toNumber = function () {
+            var x = this;
+
+            // Ensure zero has correct sign.
+            return +x || ( x.s ? x.s * 0 : NaN );
+        };
+
+
+        /*
+         * Return a BigNumber whose value is the value of this BigNumber raised to the power n.
+         * If n is negative round according to DECIMAL_PLACES and ROUNDING_MODE.
+         * If POW_PRECISION is not 0, round to POW_PRECISION using ROUNDING_MODE.
+         *
+         * n {number} Integer, -9007199254740992 to 9007199254740992 inclusive.
+         * (Performs 54 loop iterations for n of 9007199254740992.)
+         *
+         * 'pow() exponent not an integer: {n}'
+         * 'pow() exponent out of range: {n}'
+         */
+        P.toPower = P.pow = function (n) {
+            var k, y,
+                i = mathfloor( n < 0 ? -n : +n ),
+                x = this;
+
+            // Pass ±Infinity to Math.pow if exponent is out of range.
+            if ( !isValidInt( n, -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER, 23, 'exponent' ) &&
+              ( !isFinite(n) || i > MAX_SAFE_INTEGER && ( n /= 0 ) ||
+                parseFloat(n) != n && !( n = NaN ) ) ) {
+                return new BigNumber( Math.pow( +x, n ) );
+            }
+
+            // Truncating each coefficient array to a length of k after each multiplication equates
+            // to truncating significant digits to POW_PRECISION + [28, 41], i.e. there will be a
+            // minimum of 28 guard digits retained. (Using + 1.5 would give [9, 21] guard digits.)
+            k = POW_PRECISION ? mathceil( POW_PRECISION / LOG_BASE + 2 ) : 0;
+            y = new BigNumber(ONE);
+
+            for ( ; ; ) {
+
+                if ( i % 2 ) {
+                    y = y.times(x);
+                    if ( !y.c ) break;
+                    if ( k && y.c.length > k ) y.c.length = k;
+                }
+
+                i = mathfloor( i / 2 );
+                if ( !i ) break;
+
+                x = x.times(x);
+                if ( k && x.c && x.c.length > k ) x.c.length = k;
+            }
+
+            if ( n < 0 ) y = ONE.div(y);
+            return k ? round( y, POW_PRECISION, ROUNDING_MODE ) : y;
+        };
+
+
+        /*
+         * Return a string representing the value of this BigNumber rounded to sd significant digits
+         * using rounding mode rm or ROUNDING_MODE. If sd is less than the number of digits
+         * necessary to represent the integer part of the value in fixed-point notation, then use
+         * exponential notation.
+         *
+         * [sd] {number} Significant digits. Integer, 1 to MAX inclusive.
+         * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive.
+         *
+         * 'toPrecision() precision not an integer: {sd}'
+         * 'toPrecision() precision out of range: {sd}'
+         * 'toPrecision() rounding mode not an integer: {rm}'
+         * 'toPrecision() rounding mode out of range: {rm}'
+         */
+        P.toPrecision = function ( sd, rm ) {
+            return format( this, sd != null && isValidInt( sd, 1, MAX, 24, 'precision' )
+              ? sd | 0 : null, rm, 24 );
+        };
+
+
+        /*
+         * Return a string representing the value of this BigNumber in base b, or base 10 if b is
+         * omitted. If a base is specified, including base 10, round according to DECIMAL_PLACES and
+         * ROUNDING_MODE. If a base is not specified, and this BigNumber has a positive exponent
+         * that is equal to or greater than TO_EXP_POS, or a negative exponent equal to or less than
+         * TO_EXP_NEG, return exponential notation.
+         *
+         * [b] {number} Integer, 2 to 64 inclusive.
+         *
+         * 'toString() base not an integer: {b}'
+         * 'toString() base out of range: {b}'
+         */
+        P.toString = function (b) {
+            var str,
+                n = this,
+                s = n.s,
+                e = n.e;
+
+            // Infinity or NaN?
+            if ( e === null ) {
+
+                if (s) {
+                    str = 'Infinity';
+                    if ( s < 0 ) str = '-' + str;
+                } else {
+                    str = 'NaN';
+                }
+            } else {
+                str = coeffToString( n.c );
+
+                if ( b == null || !isValidInt( b, 2, 64, 25, 'base' ) ) {
+                    str = e <= TO_EXP_NEG || e >= TO_EXP_POS
+                      ? toExponential( str, e )
+                      : toFixedPoint( str, e );
+                } else {
+                    str = convertBase( toFixedPoint( str, e ), b | 0, 10, s );
+                }
+
+                if ( s < 0 && n.c[0] ) str = '-' + str;
+            }
+
+            return str;
+        };
+
+
+        /*
+         * Return a new BigNumber whose value is the value of this BigNumber truncated to a whole
+         * number.
+         */
+        P.truncated = P.trunc = function () {
+            return round( new BigNumber(this), this.e + 1, 1 );
+        };
+
+
+
+        /*
+         * Return as toString, but do not accept a base argument.
+         */
+        P.valueOf = P.toJSON = function () {
+            return this.toString();
+        };
+
+
+        // Aliases for BigDecimal methods.
+        //P.add = P.plus;         // P.add included above
+        //P.subtract = P.minus;   // P.sub included above
+        //P.multiply = P.times;   // P.mul included above
+        //P.divide = P.div;
+        //P.remainder = P.mod;
+        //P.compareTo = P.cmp;
+        //P.negate = P.neg;
+
+
+        if ( configObj != null ) BigNumber.config(configObj);
+
+        return BigNumber;
+    }
+
+
+    // PRIVATE HELPER FUNCTIONS
+
+
+    function bitFloor(n) {
+        var i = n | 0;
+        return n > 0 || n === i ? i : i - 1;
+    }
+
+
+    // Return a coefficient array as a string of base 10 digits.
+    function coeffToString(a) {
+        var s, z,
+            i = 1,
+            j = a.length,
+            r = a[0] + '';
+
+        for ( ; i < j; ) {
+            s = a[i++] + '';
+            z = LOG_BASE - s.length;
+            for ( ; z--; s = '0' + s );
+            r += s;
+        }
+
+        // Determine trailing zeros.
+        for ( j = r.length; r.charCodeAt(--j) === 48; );
+        return r.slice( 0, j + 1 || 1 );
+    }
+
+
+    // Compare the value of BigNumbers x and y.
+    function compare( x, y ) {
+        var a, b,
+            xc = x.c,
+            yc = y.c,
+            i = x.s,
+            j = y.s,
+            k = x.e,
+            l = y.e;
+
+        // Either NaN?
+        if ( !i || !j ) return null;
+
+        a = xc && !xc[0];
+        b = yc && !yc[0];
+
+        // Either zero?
+        if ( a || b ) return a ? b ? 0 : -j : i;
+
+        // Signs differ?
+        if ( i != j ) return i;
+
+        a = i < 0;
+        b = k == l;
+
+        // Either Infinity?
+        if ( !xc || !yc ) return b ? 0 : !xc ^ a ? 1 : -1;
+
+        // Compare exponents.
+        if ( !b ) return k > l ^ a ? 1 : -1;
+
+        j = ( k = xc.length ) < ( l = yc.length ) ? k : l;
+
+        // Compare digit by digit.
+        for ( i = 0; i < j; i++ ) if ( xc[i] != yc[i] ) return xc[i] > yc[i] ^ a ? 1 : -1;
+
+        // Compare lengths.
+        return k == l ? 0 : k > l ^ a ? 1 : -1;
+    }
+
+
+    /*
+     * Return true if n is a valid number in range, otherwise false.
+     * Use for argument validation when ERRORS is false.
+     * Note: parseInt('1e+1') == 1 but parseFloat('1e+1') == 10.
+     */
+    function intValidatorNoErrors( n, min, max ) {
+        return ( n = truncate(n) ) >= min && n <= max;
+    }
+
+
+    function isArray(obj) {
+        return Object.prototype.toString.call(obj) == '[object Array]';
+    }
+
+
+    /*
+     * Convert string of baseIn to an array of numbers of baseOut.
+     * Eg. convertBase('255', 10, 16) returns [15, 15].
+     * Eg. convertBase('ff', 16, 10) returns [2, 5, 5].
+     */
+    function toBaseOut( str, baseIn, baseOut ) {
+        var j,
+            arr = [0],
+            arrL,
+            i = 0,
+            len = str.length;
+
+        for ( ; i < len; ) {
+            for ( arrL = arr.length; arrL--; arr[arrL] *= baseIn );
+            arr[ j = 0 ] += ALPHABET.indexOf( str.charAt( i++ ) );
+
+            for ( ; j < arr.length; j++ ) {
+
+                if ( arr[j] > baseOut - 1 ) {
+                    if ( arr[j + 1] == null ) arr[j + 1] = 0;
+                    arr[j + 1] += arr[j] / baseOut | 0;
+                    arr[j] %= baseOut;
+                }
+            }
+        }
+
+        return arr.reverse();
+    }
+
+
+    function toExponential( str, e ) {
+        return ( str.length > 1 ? str.charAt(0) + '.' + str.slice(1) : str ) +
+          ( e < 0 ? 'e' : 'e+' ) + e;
+    }
+
+
+    function toFixedPoint( str, e ) {
+        var len, z;
+
+        // Negative exponent?
+        if ( e < 0 ) {
+
+            // Prepend zeros.
+            for ( z = '0.'; ++e; z += '0' );
+            str = z + str;
+
+        // Positive exponent
+        } else {
+            len = str.length;
+
+            // Append zeros.
+            if ( ++e > len ) {
+                for ( z = '0', e -= len; --e; z += '0' );
+                str += z;
+            } else if ( e < len ) {
+                str = str.slice( 0, e ) + '.' + str.slice(e);
+            }
+        }
+
+        return str;
+    }
+
+
+    function truncate(n) {
+        n = parseFloat(n);
+        return n < 0 ? mathceil(n) : mathfloor(n);
+    }
+
+
+    // EXPORT
+
+
+    BigNumber = another();
+
+    // AMD.
+    if ( typeof define == 'function' && define.amd ) {
+        define( function () { return BigNumber; } );
+
+    // Node and other environments that support module.exports.
+    } else if ( typeof module != 'undefined' && module.exports ) {
+        module.exports = BigNumber;
+        if ( !crypto ) try { crypto = require('crypto'); } catch (e) {}
+
+    // Browser.
+    } else {
+        global.BigNumber = BigNumber;
+    }
+})(this);
 
-},{}],"web3":[function(require,module,exports){
+},{"crypto":31}],"web3":[function(require,module,exports){
 var web3 = require('./lib/web3');
 web3.providers.HttpProvider = require('./lib/web3/httpprovider');
 web3.providers.QtSyncProvider = require('./lib/web3/qtsync');
 web3.eth.contract = require('./lib/web3/contract');
+web3.eth.namereg = require('./lib/web3/namereg');
+web3.eth.sendIBANTransaction = require('./lib/web3/transfer');
 
 // dont override global variable
 if (typeof window !== 'undefined' && typeof window.web3 === 'undefined') {
@@ -3872,8 +8283,8 @@ if (typeof window !== 'undefined' && typeof window.web3 === 'undefined') {
 module.exports = web3;
 
 
-},{"./lib/web3":8,"./lib/web3/contract":10,"./lib/web3/httpprovider":18,"./lib/web3/qtsync":23}]},{},["web3"])
+},{"./lib/web3":9,"./lib/web3/contract":11,"./lib/web3/httpprovider":19,"./lib/web3/namereg":23,"./lib/web3/qtsync":26,"./lib/web3/transfer":29}]},{},["web3"])
 
 
-//# sourceMappingURL=web3-light.js.map
-`
+//# sourceMappingURL=web3.js.map
+`
\ No newline at end of file
diff --git a/rpc/api/api.go b/rpc/api/api.go
index 93dc3058c9037d97e2aab4558dfdcf4f7db8d21a..153c73f48ca6df3b658aa09ecb817813c21373e5 100644
--- a/rpc/api/api.go
+++ b/rpc/api/api.go
@@ -4,14 +4,26 @@ import "github.com/ethereum/go-ethereum/rpc/shared"
 
 const (
 	// List with all API's which are offered over the IPC interface by default
-	DefaultIpcApis = "eth"
+	DefaultIpcApis = "eth,web3"
+
+	EthApiName = "eth"
+	MergedApiName = "merged"
+	Web3ApiName = "web3"
 )
 
 // Ethereum RPC API interface
 type EthereumApi interface {
+	// API identifier
+	Name() string
+
 	// Execute the given request and returns the response or an error
 	Execute(*shared.Request) (interface{}, error)
 
 	// List of supported RCP methods this API provides
 	Methods() []string
 }
+
+// Merge multiple API's to a single API instance
+func Merge(apis ...EthereumApi) EthereumApi {
+	return newMergedApi(apis...)
+}
diff --git a/rpc/api/eth.go b/rpc/api/eth.go
index fa14aa41eb131f900e61e68889d7c62191895561..0a8cecdbc86f150f9a3bfc393d919639eb9db8f2 100644
--- a/rpc/api/eth.go
+++ b/rpc/api/eth.go
@@ -93,6 +93,10 @@ func (self *EthApi) Execute(req *shared.Request) (interface{}, error) {
 	return nil, shared.NewNotImplementedError(req.Method)
 }
 
+func (self *EthApi) Name() string {
+	return EthApiName
+}
+
 func (self *EthApi) Accounts(req *shared.Request) (interface{}, error) {
 	return self.xeth.Accounts(), nil
 }
diff --git a/rpc/api/mergedapi.go b/rpc/api/mergedapi.go
new file mode 100644
index 0000000000000000000000000000000000000000..7784661d7263c4b8c42480a4c24cd035ebf3661f
--- /dev/null
+++ b/rpc/api/mergedapi.go
@@ -0,0 +1,56 @@
+package api
+
+import "github.com/ethereum/go-ethereum/rpc/shared"
+
+// combines multiple API's
+type mergedApi struct {
+	apis []string
+	methods map[string]EthereumApi
+}
+
+// create new merged api instance
+func newMergedApi(apis ...EthereumApi) *mergedApi {
+	mergedApi := new(mergedApi)
+	mergedApi.apis = make([]string, len(apis))
+	mergedApi.methods = make(map[string]EthereumApi)
+
+	for i, api := range apis {
+		mergedApi.apis[i] = api.Name()
+		for _, method := range api.Methods() {
+			mergedApi.methods[method] = api
+		}
+	}
+	return mergedApi
+}
+
+// Supported RPC methods
+func (self *mergedApi) Methods() []string {
+	all := make([]string, len(self.methods))
+	for method, _ := range self.methods {
+		all = append(all, method)
+	}
+	return all
+}
+
+// Call the correct API's Execute method for the given request
+func (self *mergedApi) Execute(req *shared.Request) (interface{}, error) {
+	if res, _ := self.handle(req); res != nil {
+		return res, nil
+	}
+	if api, found := self.methods[req.Method]; found {
+		return api.Execute(req)
+	}
+	return nil, shared.NewNotImplementedError(req.Method)
+}
+
+func (self *mergedApi) Name() string {
+	return MergedApiName
+}
+
+func (self *mergedApi) handle(req *shared.Request) (interface{}, error) {
+	if req.Method == "support_apis" {	// provided API's
+		return self.apis, nil
+	}
+
+	return nil, nil
+}
diff --git a/rpc/api/mergedapi_js.go b/rpc/api/mergedapi_js.go
new file mode 100644
index 0000000000000000000000000000000000000000..778f64ec17cd4fd767e18d43231361d3aff70366
--- /dev/null
+++ b/rpc/api/mergedapi_js.go
@@ -0,0 +1 @@
+package api
diff --git a/rpc/api/utils.go b/rpc/api/utils.go
index a620581404207172d439e7e054fde94f6524d8ff..7024365e4f50d1c420380d3771e6ec353266cc40 100644
--- a/rpc/api/utils.go
+++ b/rpc/api/utils.go
@@ -8,11 +8,6 @@ import (
 	"github.com/ethereum/go-ethereum/eth"
 	"github.com/ethereum/go-ethereum/rpc/codec"
 	"github.com/ethereum/go-ethereum/xeth"
-	"github.com/ethereum/go-ethereum/rpc/shared"
-)
-
-const (
-	EthApiName = "eth"
 )
 
 // Parse a comma separated API string to individual api's
@@ -28,6 +23,8 @@ func ParseApiString(apistr string, codec codec.Codec, xeth *xeth.XEth, eth *eth.
 		switch strings.ToLower(strings.TrimSpace(name)) {
 		case EthApiName:
 			apis[i] = NewEthApi(xeth, codec)
+		case Web3ApiName:
+			apis[i] = NewWeb3(xeth, codec)
 		default:
 			return nil, fmt.Errorf("Unknown API '%s'", name)
 		}
@@ -35,43 +32,3 @@ func ParseApiString(apistr string, codec codec.Codec, xeth *xeth.XEth, eth *eth.
 
 	return apis, nil
 }
-
-// combines multiple API's
-type mergedApi struct {
-	apis map[string]EthereumApi
-}
-
-// create new merged api instance
-func newMergedApi(apis ...EthereumApi) *mergedApi {
-	mergedApi := new(mergedApi)
-	mergedApi.apis = make(map[string]EthereumApi)
-
-	for _, api := range apis {
-		for _, method := range api.Methods() {
-			mergedApi.apis[method] = api
-		}
-	}
-	return mergedApi
-}
-
-// Supported RPC methods
-func (self *mergedApi) Methods() []string {
-	all := make([]string, len(self.apis))
-	for method, _ := range self.apis {
-		all = append(all, method)
-	}
-	return all
-}
-
-// Call the correct API's Execute method for the given request
-func (self *mergedApi) Execute(req *shared.Request) (interface{}, error) {
-	if api, found := self.apis[req.Method]; found {
-		return api.Execute(req)
-	}
-	return nil, shared.NewNotImplementedError(req.Method)
-}
-
-// Merge multiple API's to a single API instance
-func Merge(apis ...EthereumApi) EthereumApi {
-	return newMergedApi(apis...)
-}
diff --git a/rpc/api/web3.go b/rpc/api/web3.go
new file mode 100644
index 0000000000000000000000000000000000000000..4c51c4a9714b20ba0f582a008bc9a4df29ece444
--- /dev/null
+++ b/rpc/api/web3.go
@@ -0,0 +1,84 @@
+package api
+
+import (
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/rpc/codec"
+	"github.com/ethereum/go-ethereum/rpc/shared"
+	"github.com/ethereum/go-ethereum/xeth"
+)
+
+const (
+	Web3Version = "1.0.0"
+)
+
+var (
+// mapping between methods and handlers
+	Web3Mapping = map[string]web3handler{
+		"web3_sha3":          (*web3).Sha3,
+		"web3_clientVersion": (*web3).ClientVersion,
+	}
+)
+
+// web3 callback handler
+type web3handler func(*web3, *shared.Request) (interface{}, error)
+
+// web3 api provider
+type web3 struct {
+	xeth    *xeth.XEth
+	methods map[string]web3handler
+	codec   codec.ApiCoder
+}
+
+// create a new web3 api instance
+func NewWeb3(xeth *xeth.XEth, coder codec.Codec) *web3 {
+	return &web3{
+		xeth:    xeth,
+		methods: Web3Mapping,
+		codec:   coder.New(nil),
+	}
+}
+
+// collection with supported methods
+func (self *web3) Methods() []string {
+	methods := make([]string, len(self.methods))
+	i := 0
+	for k := range self.methods {
+		methods[i] = k
+		i++
+	}
+	return methods
+}
+
+// Execute given request
+func (self *web3) Execute(req *shared.Request) (interface{}, error) {
+	if callback, ok := self.methods[req.Method]; ok {
+		return callback(self, req)
+	}
+
+	return nil, &shared.NotImplementedError{req.Method}
+}
+
+func (self *web3) Name() string {
+	return Web3ApiName
+}
+
+// Version of the API this instance provides
+func (self *web3) Version() string {
+	return Web3Version
+}
+
+// Calculates the sha3 over req.Params.Data
+func (self *web3) Sha3(req *shared.Request) (interface{}, error) {
+	args := new(Sha3Args)
+	if err := self.codec.Decode(req.Params, &args); err != nil {
+		return nil, err
+	}
+
+	return common.ToHex(crypto.Sha3(common.FromHex(args.Data))), nil
+}
+
+// returns the xeth client vrsion
+func (self *web3) ClientVersion(req *shared.Request) (interface{}, error) {
+	return self.xeth.ClientVersion(), nil
+}
diff --git a/rpc/api/web3_args.go b/rpc/api/web3_args.go
new file mode 100644
index 0000000000000000000000000000000000000000..5455a6c8e55cfdd8000a0ac6fe7e78d234380e60
--- /dev/null
+++ b/rpc/api/web3_args.go
@@ -0,0 +1,5 @@
+package api
+
+type Sha3Args struct {
+	Data string
+}
diff --git a/rpc/jeth.go b/rpc/jeth.go
index 61be60dc79e7129e3e52e86372af8dc42d9fcfd9..d4f6dd460f0844d9bbcd1d3d63b3984f5041e616 100644
--- a/rpc/jeth.go
+++ b/rpc/jeth.go
@@ -6,15 +6,20 @@ import (
 
 	"github.com/ethereum/go-ethereum/jsre"
 	"github.com/robertkrimen/otto"
+	"github.com/ethereum/go-ethereum/rpc/comms"
+	"github.com/ethereum/go-ethereum/rpc/codec"
+	"github.com/ethereum/go-ethereum/rpc/shared"
+	"reflect"
 )
 
 type Jeth struct {
-	ethApi *EthereumApi
-	re     *jsre.JSRE
+	ethApi  *EthereumApi
+	re      *jsre.JSRE
+	ipcpath string
 }
 
-func NewJeth(ethApi *EthereumApi, re *jsre.JSRE) *Jeth {
-	return &Jeth{ethApi, re}
+func NewJeth(ethApi *EthereumApi, re *jsre.JSRE, ipcpath string) *Jeth {
+	return &Jeth{ethApi, re, ipcpath}
 }
 
 func (self *Jeth) err(call otto.FunctionCall, code int, msg string, id interface{}) (response otto.Value) {
@@ -34,6 +39,13 @@ func (self *Jeth) Send(call otto.FunctionCall) (response otto.Value) {
 		return self.err(call, -32700, err.Error(), nil)
 	}
 
+	client, err := comms.NewIpcClient(comms.IpcConfig{self.ipcpath}, codec.JSON)
+	if err != nil {
+		fmt.Println("Unable to connect to geth.")
+		return self.err(call, -32603, err.Error(), -1)
+	}
+	defer client.Close()
+
 	jsonreq, err := json.Marshal(reqif)
 	var reqs []RpcRequest
 	batch := true
@@ -48,22 +60,43 @@ func (self *Jeth) Send(call otto.FunctionCall) (response otto.Value) {
 	call.Otto.Run("var ret_response = new Array(response_len);")
 
 	for i, req := range reqs {
-		var respif interface{}
-		err = self.ethApi.GetRequestReply(&req, &respif)
+		err := client.Send(&req)
 		if err != nil {
-			fmt.Println("Error response:", err)
+			fmt.Println("Error send request:", err)
 			return self.err(call, -32603, err.Error(), req.Id)
 		}
-		call.Otto.Set("ret_jsonrpc", jsonrpcver)
-		call.Otto.Set("ret_id", req.Id)
 
-		res, _ := json.Marshal(respif)
+		respif, err := client.Recv()
+		if err != nil {
+			fmt.Println("Error recv response:", err)
+			return self.err(call, -32603, err.Error(), req.Id)
+		}
 
-		call.Otto.Set("ret_result", string(res))
-		call.Otto.Set("response_idx", i)
-		response, err = call.Otto.Run(`
-		ret_response[response_idx] = { jsonrpc: ret_jsonrpc, id: ret_id, result: JSON.parse(ret_result) };
-		`)
+		if res, ok := respif.(shared.SuccessResponse); ok {
+			call.Otto.Set("ret_id", res.Id)
+			call.Otto.Set("ret_jsonrpc", res.Jsonrpc)
+			resObj, _ := json.Marshal(res.Result)
+			call.Otto.Set("ret_result", string(resObj))
+			call.Otto.Set("response_idx", i)
+
+			response, err = call.Otto.Run(`
+				ret_response[response_idx] = { jsonrpc: ret_jsonrpc, id: ret_id, result: JSON.parse(ret_result) };
+			`)
+		} else if res, ok := respif.(shared.ErrorResponse); ok {
+			fmt.Printf("Error: %s (%d)\n", res.Error.Message, res.Error.Code)
+
+			call.Otto.Set("ret_id", res.Id)
+			call.Otto.Set("ret_jsonrpc", res.Jsonrpc)
+			call.Otto.Set("ret_error", res.Error)
+			call.Otto.Set("response_idx", i)
+
+			response, _ = call.Otto.Run(`
+				ret_response = { jsonrpc: ret_jsonrpc, id: ret_id, error: ret_error };
+			`)
+			return
+		} else {
+			fmt.Printf("unexpected response\n", reflect.TypeOf(respif))
+		}
 	}
 
 	if !batch {