Bump version and update cabal file for Cabal 1.10+.

Bump version and update cabal file for Cabal 1.10+.

Update URL.

Update URL.

Bump version and update some details in the .cabal file.

Do a major version bump as required by the PVP.

Compatibility with ghc-7.10.1, and bump version.

We need to provide Applicative instances now that it is a superclass
of Monad. Thanks to Nikolay Amiantov for the patch!

Compatibility with ghc-7.4.1, and bump version.

Fix base upper bound, update email address, and bump version.

Fix base version bound and bump version.