Transform ASTs to MIR entities.  No more environment references.
Transform ASTs to MIR entities.  No more environment references.

vtomole/SICL,clasp-developers/SICL,clasp-developers/SICL,vtomole/SICL,vtomole/SICL,clasp-developers/SICL,clasp-developers/SICL,vtomole/SICL