Add a field for type variables in Rich and Simple representations
Monomorphising functions scratch
Monomorphising in progress
Fiddling around
Refactor and rewrite Rich,Type and CoreToRich
Linting rewrite wip
Pretty print and lint the rich language
More Rich Linting

For now, let's not support polymorphic local lets.
Simple and simplify
Starting to poke at rts
Rich to simple finished
SimpleToFO fixed
Tidbits
More files fixed
Builds
Merge branch 'master' into mono
Fix bugs
Fix a bug, and debug orig/optimised rich upon demand
Fix some polymorphic lets
Fix printing of properties