Version 0.2.0:
  General:
    - Added support for configuration
  Storage:
    - Added support for Redis (which uses MessagePack)
    - Organizational changes (Docket::Storage module added)

Version 0.1.2:
  General:
    - Start of Changelog
  Round Robin:
    - Removing non-set keys no longer throws error
    - Removed '_' from private method names