Remove unused "deriving Eq".
Remove unused deriving Show.
Do the necessary plumbing for testing with the SICS rules enabled and add
a few tests using that.
Move data SomeCompilable from Compiler to Main since that is where it is used.
Remove an unused deriving Eq.
Avoid generating empty loop bodies in for.
Merge pull request #102 from pjonsson/cleanup

Plumbing for testing with SICS rules along with minor cleanups