debugging: rewriter stores computation result by astIndex, remembers last activated ast node by astIndex in "lastNode"
debugging: rewriter stores computation result by astIndex, remembers last activated ast node by astIndex in "lastNode"

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