Changelog for halberd-0.1.2.4

0.1.2.4 * Allow base 4.7 (GHC 7.8). 0.1.2.3 * Allow haskell-names 0.3. 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