Provider DB connections remain open instead of constantly open/close for misc db calls.
Fixed -RP release issues.
Removes .nzb and .torrent extensions from files for parsing purposes.
Fix for subtitle processing.
"Borrowed" code from SB's post-processing routine.
Fix for threading schedualers and subtitles.
Fixed failed and manual snatches that where causing WebUI lock-ups.
Merge remote-tracking branch 'upstream/dev' into dev