Fixes issues with findpropers and airdate.
Fixes issues with unhashable dict types.
Fixes issues with 100% CPU usage.
Fixes issues with RSS feed cache.
Fixes issues with scene numbering and converting back to indexer numbering.
Fixes issues with backlog searches.
Fixes issues with season pack searches.
Fixes issues with BTN.
Fixes empty searchStrings and empty itemList issues if they happened.