Fix a typo in the Tic64 unruling.
Remove two rules that are covered by feldspar-language.
Some linting.
Add a Tic64x transformation that covers the remaining rules.
Add a missing match on Switch in compileExpr. Fixes #128.
Retire the array rules.
Integrate the remaining C99 rules in the renamer.
Remove the Rule system since the functionality exists in other passes.
Merge pull request #174 from pjonsson/misc-fixes

Retire the rules system and fix some other things on a drive-by.