Checking for updates now redirects back to referrer url
Fixed issue where MultiPartEpisode was being appended to all episodes and not just multi-part episodes.
Multi-EP episode names are no longer appended to form one giant filename but instead 'MultiPartEpisode' is tacked on.
Reverted toggles for provider priorities, subtitle plugins, and post-processor metadata choices
Misc provider URL updates. Misc fixes for tests.
Disabled closing of logger on shutdown/restart