Changelog for term-rewriting-0.2.1.1

version 0.2.1.1 - Changelog version 0.2.1 - add Term.mapSides, Rule.map, Rules.map, Problem.map - fix build with ghc-8.0.2 (and remove overlapping instance) version 0.2 - fix argument order of Data.Rewriting.Rule.isVariantOf version 0.1.2.2 - fix build with ghc-7.10.1 version 0.1.2.1 - fix Data.Rewriting.CriticalPair.cpsIn and cpsOut version 0.1.2 - update to parsec >= 3.1.6 API (thanks alpako!) version 0.1.1 - no changelog (yet?)