2012-10-11: version 0.006    
 - Better diagnostic messages
2012-10-09: version 0.005001
 - Added support for stub several methods with one call to stub()
 - Added support for stub chaining
2012-10-07: version 0.004
 - Added support for creating null object mocks
2012-10-06: version 0.003    
 - Fixed a bug that was triggered when argument matching failed.
 - Added documentation
 - Removed the dependency on Moose
2012-10-06: version 0.002    
 - Support multiple expectations for the same message
2012-10-05: version 0.001
 - Initial release