Gitignore vim swap files
As per issue #38.
We have to stub a few other modules anyway, so it's best to make a new environment for everything.
Bump upper limit for QuickCheck
Conflicts: reactive-banana-wx/Setup.hs reactive-banana-wx/reactive-banana-wx.cabal reactive-banana-wx/src/Animation.hs reactive-banana-wx/src/Reactive/Banana/WX.hs reactive-banana/src/Reactive/Banana/Combinators.hs reactive-banana/src/Reactive/Banana/Frameworks.hs