Refactor to reduce use of global state, especially config.account
Refactor to move plugin base classes into plugins subpackage
Change ShowSource plugin to return list of titles for get_shows
Reduce global access to config['settings']
Fix references from refactor
Fix reference to NotImplemented to NotImplementedError
Fix misnamed function get_shows
Fix reference to old files into new file_manager
Remove references to memoized library, now unused
Add command line argument to show debug messages
Fix typo in comment
Fix bug when filtering shows
Fix forgotten import in filesources