a test case for info.
Shows info about all names in module (not exported too)
Fixed unicode output
adding a comment about CPP just in case.
Test for no fail on unicode output
Fixed tests on Windows
Merge pull request #114 from mvoidex/fix-tests

Fixed tests on Windows
fixing "ghc-mod info" for non-export funcs and fast/slow checking.
removing unnecesary spaces.
cosmetic change from hlint.