Changed min gas limit
Changed min gas limit

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