* Add support for mutually exclusive argument groups * Typos and fixes
0.1.3
* Add Tester class to test applications and commands * Subclass ArgumentParser to handle exit on error * Removed ``application.get_argument`` method * Several smaller fixes and design improvements
0.1.2
* Redesign manpage building api * Use application help instead of manpage with ``<app> help``
0.1.1
* Add py.typed file for PEP 561. * Update help action for application * Minor fixes