kleisli-0.0.4: changelog.md

0.0.4

* Add `fromMaybe` for replacing Nothing results with a default value,
  collapsing the Maybe layer into Identity

0.0.3

* Add `mkKleisli'`, `mkProKleisli'`, `mkContraKleisli'` for constructing
  Identity-wrapped Kleisli values from plain profunctor values

0.0.2

* Add `pureKleisli`, `pureProKleisli`, `pureContraKleisli` for lifting
  Identity-based Kleisli values into an arbitrary Applicative functor

0.0.1

* This change log starts