A very basic start to Assignment 3
mlc.py -- mini language compiler class
programext_mlc.py -- populating mlc symbol table with var and const type
                     (still need temp type) -- starting to populate
					 RAL instruction list (lot's  of questions about how to
					 do this)
interpreterext_mlc.py -- no change, just imports programext_mlc
./programs/mlctest -- simple mini language program for testing (no lists)