Refactored episodes attribute on TVShow objects to cache TVEpisode objects and persist.
Refactored usage and removed get_all_episodes method from TVShow class.
Refactored total show size to account for multipart-episodes.
Added delete_episode method to TVShow class to remove episode from shows episode cache.
Refactored usage of TVEpisode class method delete_episode to be called by TVShow method delete_episode instead of directly.
Fixed endpoint call for getting annoucements from SR API.

Refactored TVEpisode show property to return TVShow object.

Moved TVShow model into MainDB init, created separate TVShow object that populates from TVShow model data.
Moved TVEpisode model into MainDB init, created separate TVEpisode object that populates from TVEpisode model data.
Override SQLAlchemy commit method with custom context method.
Removed database decorators, replaced with session variable inside functions.
Refactored TVShow and TVEpisode objects to proxy attribute requests to SQLAlchemy model object data.
Added any missing TVShow and TVEpisode database session commit calls.
Refactored TVEpisode <> TVShow episodes, imdb_info, and show relationships to object properties.

Fixes SICKRAGE-APP-PY3-MR

Fixes SICKRAGE-APP-PY3-KS

Fixes issue #380

Fixes SICKRAGE-APP-PY3-FY

Fixes SICKRAGE-APP-PY3-FX
Fixes SICKRAGE-APP-PY3-CP
Fixes SICKRAGE-APP-PY3-DP

Refactored handling of indexer attribute errors when adding a new show.

Refactored history API call.

Fixes SICKRAGE-APP-PY3-CN

Refactored gitlab ci/cd script to build docker images for dev branch.
Added missing session to find_show in API calls.

Refactoring provider searches to search for one season/episode at a time, this will allow for better multi-thread handling of search queue items.

Scene number functions now always return data.
Fixed issue with getting data from provider caches.