0.22  2014-06-15
  - Reduced default clean_up_after value to 10 days.

0.21  2014-06-14
  - Added clean_up_after attribute to Minion.
  - Improved performance of repair methods.

0.20  2014-06-13
  - Added Minion::Backend::File.
  - Improved Minion::Backend to provide a generic repair method.

0.15  2014-06-04
  - Fixed a few small bugs in Minion::Backend::Mango.

0.14  2014-06-04
  - Fixed Minion::Backend::Mango to work with strings in addition to object
    ids.

0.13  2014-06-03
  - Added list_workers method to Minion::Backend.
  - Added list_workers method to Minion::Backend::Mango.

0.12  2014-06-03
  - Fixed enqueue to use the correct time format.

0.11  2014-06-03
  - Changed a few return values in Minion::Backend::Mango.

0.10  2014-06-02
  - Removed created, delayed, error, finished, priority, restarted, restarts,
    started and state methods from Minion::Job.
  - Removed started method from Minion::Worker.
  - Added support for pluggable backends.
  - Added Minion::Backend and Minion::Backend::Mango.
  - Added backend attribute to Minion.
  - Added reset method to Minion.
  - Added info method to Minion::Job.
  - Added info method to Minion::Worker.
  - Added -L and -S options to job command.

0.09  2014-04-05
  - Added worker event to Minion.
  - Added dequeue event to Minion::Worker.
  - Added failed and finished events to Minion::Job.
  - Added restarted method to Minion::Job.
  - Changed return values of fail, finish and restart methods in Minion::Job.

0.08  2014-04-04
  - Added support for non-blocking enqueue.

0.07  2014-04-03
  - Improved performance by reusing Mango connections.

0.06  2014-04-03
  - Added delayed and priority methods to Minion::Job.
  - Renamed after option to delayed.
  - Improved job command to use a human readable time format and allow new
    jobs to be enqueued.

0.05  2014-04-03
  - Improved job command to stream job lists and show more information.

0.04  2014-04-02
  - Removed all_jobs and one_job methods from Minion::Job.
  - Removed repair method from Minion::Worker;
  - Added Minion::Command::minion::job.
  - Added auto_perform attribute to Minion.
  - Added repair method to Minion.
  - Added created, error, finished, remove, restart, restarts and started
    methods to Minion::Job.
  - Added started method to Minion::Worker.

0.03  2014-03-30
  - Removed doc and worker attributes from Minion::Job.
  - Added args, id and minion attributes to Minion::Job.
  - Added id attribute to Minion::Worker.
  - Added job method to Minion.
  - Added state method to Minion::Job.

0.02  2014-03-28
  - Added support for delayed jobs.
  - Added stats method to Minion.
  - Added app method to Minion::Job.
  - Reduced Perl version requirement to 5.10.1.

0.01  2014-03-27
  - First release.