New Features

Item edits can be done while using build_collection: false
Adds more options to Smart Filter and Plex Search. smart_filter and plex_search now have all the same attributes and plex_search now uses and and all to match Plex's Advance Filters
Adds more options to Collection Filters.

Bug Fixes

Fixes #278: mass_update fix
Fixes #280: blank smart searches fail instead of corrupting your plex DB
Various other small fixes