** 0.2.x

0.2.0.0 --> 0.2.0.2
===================

* Fix dependency issue: Can't build with containers < 0.5.0.0

0.1.0.0 --> 0.2.0.0
===================

* Support monadic and applicative (where possible) grouping

* Add and fix unit tests for monadic and pure grouping

* Use strict map by default to avoid buildup of thunks