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_"
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.
