* Start by renaming the fork by chronological order
* initial commit - groundwork: support different gasCosts depending on VMs
* Running VMTests with new gas config - only push32AndSuicide changed
* Introduce newNimbusVM that (temporarily) abstract over Frontier and Tangerine VM creation
* Fix Gas - push32AndSuicide repassing and expXY_success passing - fixes#34
* case sensitive imports (thank you auto-completion) fix Travis on Linux
* Add pre and post EIP-150 tests
* Nimify gas identifiers that supports multiple forks
* Stack underflow: Add failing test to catch #31
* ensurePop, use proc instead of template + add comment for future refactoring of popInternal
* Check stack underflows before popping values
* run json tests again