added few commands

db_query_interface.go

@@ -72,6 +72,8 @@ func (i *DbInterface) ParseInput(input string) bool {
       fmt.Println(hex.EncodeToString([]byte(i.trie.root)))
     case "rawroot":
       fmt.Println(i.trie.root)
+    case "print":
+      i.db.Print()
     case "exit", "quit", "q":
       return false
     case "help":