0.4
---
* remove ErrorT instance for compatibility with transformers-0.6 and mtl-2.3

0.3.5
-----
* compatibility with GHC 8.8

0.3.4
-----
* MonadFail instance for EquivT

0.3.3
-----
* compatibility with GHC 8.6

0.3.2
-----
* add Applicative constraints for backwards compatibility with GHC 7.8

0.3.1
-----
* use transformers-compat for backwards compatibility with older versions of transformers

0.3.0.1
-------
* add CHANGES.txt to .cabal file

0.3
---
* add suport for Control.Monad.Except (thus the new dependency constraint 'mtl >= 2.2.1')