Changelog for messagepack-0.2.1

2014-11-13 Rodrigo Setti <rodrigosetti@gmail.com> * Changes `ObjectInt` data from `Int` to `Int64`, so it can be possible to pack a 64bit int on a 32bit system. 2014-07-25 Rodrigo Setti <rodrigosetti@gmail.com> * Fix a fatal bug: Data.MessagePack.Spec was not exposed, thus failing the package installation. 2014-07-25 Rodrigo Setti <rodrigosetti@gmail.com> * Initial version: Serialize instances tested for consistency. * Missing: Extension types