Final Submission 3!

Officially supports all precompiles as laid out in Ethereum Yellow Paper, as well as the blake2b precompile.

eosio.evm now officially passes all Ethereum tests excluding ones which require more than 32 MB of memory, as EOSIO does not have the ability to reclaim memory once allocated and enforces an execution maximum of 32MB.

Special Consideration:
Balance was changed to uint256_t type, with 0.0001 EOS being represented by a value of 1