Changelog for dual-tree-0.2.0.3

* 0.2.0.3: 15 May 2014 - Allow semigroups-0.14 * 0.2.0.2: 10 April 2014 - Allow semigroups-0.13 * 0.2.0.1: 27 November 2013 - Allow semigroups-0.12 * 0.2: 5 November 2013 - Expose internal d-annotations via foldDUAL * 0.1.0.4: 26 September 2013 - allow semigroups-0.11 * 0.1.0.3: 15 July 2013 - bump monoid-extras upper bound to allow 0.3 * 0.1.0.2: 28 March 2013 - bump upper bound to allow base-4.7 * 0.1.0.1: 7 January 2013 - bump upper bound to allow semigroups-0.9 * 0.1.0.0: 3 September 2012 Initial release