0.28.0.2

  * Documentation fixes.

0.28.0.0
  * Completely new API and internals; is simpler and allows
    for predicates on sum types.

0.24.0.4

  * Dependency bumps.

0.24.0.2

  * added wrap function.

0.24.0.0

  * complete change in API and internals.

0.22.0.2

  * updates for new Rainbow API

  * test with GHC 7.8.2
