Added database test case.
Fixed TV episode database upsert code.
Misc variable name cleanup.

Improved memory usage from database calls.
Misc code cleanup.

Fixed issues with episode searches and episode search retries
Fixed issue with data retrieval from database files

Converted archive_firstmatch to skip_downloaded option, skips upgrading quality of downloaded episodes

Revert "Revert "Added feature that stores and retrieves provider cache results from sickrage's cache server""

This reverts commit 9575d5fd

Revert "Added feature that stores and retrieves provider cache results from sickrage's cache server"

This reverts commit b024c058

Fixed issue #108 - Post-Processing issues due to unicode directory and file names

Added database cleanup for dupe shows
Added database cleanup for dupe episodes
Show updater jobs now update shows that have been stale for a week or longer

Fixed issues with conflicting database index class names

Updates showUpdater class code

Fixed issues with database and multiple threading
Fixed issues with database and shutdowns
Fixes issues with queues and shutdowns

fix: Added integrity check for databases that will auto-delete corrupt indexes, resolves marshal errors
fix: Properly sort next episode dates when checking for next air date of new episodes

fix: Fixed issues with database migration of old sqlite data, moved database (init,migrate,compact) calls to start of core module init function

fix: Misc cleanups, Resolved torrent provider seed ratio issue

fix: Fixed code for source updating

fix: Fixed issues with first-time startups and database creation