es6 support: ensuring escodegen
es6 support: ensuring escodegen

NikolaySuslov/LivelyKernel,pascience/LivelyKernel,pascience/LivelyKernel,pascience/LivelyKernel,NikolaySuslov/LivelyKernel,LivelyKernel/LivelyKernel,LivelyKernel/LivelyKernel,LivelyKernel/LivelyKernel,NikolaySuslov/LivelyKernel