add: tracejson
add: tracejson

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