4.0
Add MonadBase, MonadBaseControl, and MonadTransControl instances for (EitherT e).
Merge pull request #12 from clinty/master

MonadBase, MonadBaseControl, and MonadTransControl instances for EitherT e
version bump
Added a 4.1 CHANGELOG entry
Drop Error contstraint from instances of MonadBase, MonadTransControl, and MonadBaseControl
Merge pull request #13 from alephcloud/master

Drop Error constraint from instances of MonadBase, MonadTransControl, and MonadBaseControl
Removed trailing whitespace
Merge branch 'master' of github.com:ekmett/either
Fix mapRight documentation
Fix whenRight documentation
Use consistent @'Left' _@ style in documentation
Merge pull request #16 from soapie/master

Fix documentation in Data.Either.Combinators
version bump for release
Bump upper bounds versions for `transformers` and `mtl`
Merge pull request #18 from jdnavarro/master

Bump upper bounds versions for `transformers` and `mtl`
dependency bump
Merge branch 'master' of github.com:ekmett/either
minor version bump
copyright update