Loosen (upper) version bounds for optparse-applicative and haskell-src-exts.
Merge pull request #8 from orlitzky/master

Loosen (upper) version bounds for optparse-applicative and haskell-src-exts
Prepare for 0.1.1.3 release
Fix-up lower bound (fup to afd687682f707274df49c70)
Cabal 0.21 support