Changelog for halberd-0.1.2.2

0.1.2.2: * Remove hardcoded path from source. 0.1.2.1: * Relax Cabal constraint. * Remove halberd constraint. It made the last version unbuildable. 0.1.2: * Actual order independent choosing. * Added test cases. * Refactored code. 0.1.1: * Include needed modules. * Smarter, order-independent auto-choosing. 0.1: * Initial release