Implement &key arguments for PUSHNEW.
Implement &key arguments for PUSHNEW.

AugustusHuang/Mezzano,AugustusHuang/Mezzano,rvedam/Mezzano,varjagg/Mezzano,froggey/Mezzano,varjagg/Mezzano,froggey/Mezzano,rvedam/Mezzano