Collect data about Keccak256 invocations for evaluation of STARK proof sizes and performance (#315)

* Gathering start data on witnesses

* Fix number parsing

* Proper filename, actually outputting

* Correct block

* Visualise states

* Code and value fix

* Visualise code hash and storage hash

* Current block number

* Print bucket

* Fix lint

* Fix lint

* Fix lint

* Fix lint

* Fix typo

* Fixes after merging master

* Fix lint

Co-authored-by: b00ris <b00ris@mail.ru>