3.2

• Changed the Semigroup to use a Semigroup to combine Left branches. Left Alt untouched, so you can mix and match.

3.1

• Added instances for mtl classes and MonadRandom.
• The meaning of mapEitherT has changed to match mapErrorT in the mtl. The old mapEitherT is now bimapEitherT.

3.0.3

• Started CHANGELOG