Changelog for quickcheck-instances-0.2.0

0.2.0 Author: Antoine Latter <aslatter@gmail.com> * Add support for older versions of QuickCheck. Author: PHO <pho@cielonegro.org> * Provide 'CoArbitrary' instances for types. * Provide 'shrink' for more instances of 'Arbitrary'. 0.1.0 * Initial release