Revert contract creation in event of VM exception and Program with 0 ops is allowed
Add CALLDATACOPY OutOfGasException Unit Test
Add catch overflow for CALLDATALOAD
Use statelogger for logging state conflict
Revert standard size for CALLDATALOAD to 32 bytes
Guard CALL against high initial gas price and overflow
Compare CALL gas value against gas remaining
Add placeholder for Unit test of too high CALL gas
added comments
cleaning up
Merge branch 'vmfix' of https://github.com/nicksavers/ethereumj into vmfix