lens-family-th-0.4.1.0: Generate lens-family style lenses

Due to a cabal/hackage defect, curly braces cannot be adequately displayed here. Please see http://github.com/DanBurton/lens-family-th#readme for a proper description of this package.

(See https://github.com/haskell/cabal/issues/968 for the ticket I created regarding the defect.)