Added more tests
Added more tests

karlfloersch/pyethereum,harlantwood/pyethereum,ddworken/pyethereum,holiman/pyethereum,shahankhatch/pyethereum,inzem77/pyethereum,ckeenan/pyethereum,shahankhatch/pyethereum,karlfloersch/pyethereum,ethermarket/pyethereum,ethereum/pyethereum,vaporry/pyethereum,pipermerriam/pyethereum,ethereum/pyethereum,pipermerriam/pyethereum