Adding test case for https://github.com/kazu-yamamoto/ghc-mod/issues/336
CaseSplit panic sorted. closes https://github.com/kazu-yamamoto/ghc-mod/issues/336
Removing spurious file
docs: Move GhcModError to right export category in Monad.hs
Remove dead code
Fix building with ghc 7.4
Keep error information in `extract`