Add the improved error handling to torrent providers.
Change cache_db to always include db upgrade statements when running SG for the first time.
Change split newznab limit logic into a reusable function, hit_limit_update() and use in BTN prov.
Change tweak CSS to make things a little neater with button spacings.
Add the actual time when current limit will expire to the UI.
Change instead of terminology "errors", use "failures".
Change improve BTN error handling.
Change ensure provider name is output to log at times where it wasn't.
Change ensure failed request URLs and POST params are output to log.
Add time of last failure + type to should_skip log message.
Change code DRY and simplification for improved readability.
Change occurrences of "error" to "fail" for consistency.
Add tmr limit handling to omg and change log_failure_url level to warning.
Change log the failed URL when an API hit limit is reached.
Change "hit" to the more universally generic "tmr" - Too Many Requests.
Change Db columns containing "hit_" are renamed "tmr_"
Add failure handling, skip provider for x hour(s) depending on count of failures.
Add detection of api hit limit reached.
Add failure count to omgwtfnzbs.
Change improve categories selection (manual search for example).
Change use bare minimum requests for all usenet_crawler search modes.
Change use RSS endpoint for usenet_crawler in cache mode.
Fix ensure remaining unicode shownames are correctly 'UTF-8' and url encoded.
Fix omgwtf test of invalid auth, issue when enabling propers, and updating cache.
Change refactor shownames list into reusable show_name_helper methods.
Add season specific naming exceptions to nzb + btn.
Fix criteria selection for "Upgrade once" shows: manual searches and/or if episode is set to unwanted quality.
Add unit test of wantedQualities to common_tests.py
Add pause support to scheduler.
Add optional check_paused in scheduler that can be integrated into action classes.
Add check to config.py change events.
Change integrate check_paused into auto_post_processer, search_propers, subtitles.
Change rename _pause to _unpause to prevent confusion of meaning.
Fix upgrade once ARCHIVED setting by postProcessor.
Fix determination of is_first_best_match.
Change improve smart selection of categories in manual and failed search modes.
Change refactor wantedQuality into own function that can be used in multiple places.
Change improve error resistance in neededQualities class.
Add log warning message if wantedQuality or eps_aired_in_season is missing for search.
Add check backlogitem for wantedQuality and add if missing.
Add use wantedQuality list in wantEpisode.
Change don't use wantedQualities for multipart.
