- Improved concurrent handling. Reduced complexity. - Added non-generic IEqualityComparer. - Added background service for cleaning up outdated Tor downloads. - Fixed download bug. - Updated Nuget packages. - Moved old RSS generation to helper class. - Added RSS generation option via XmlDocument api. - Added RSS generation option via XDocument api. - Added stub for yielding the RSS XML as a stream. - Added base class for RSS XML generation. - RSS feeds: Fixed bug related to XML special characters in release titles (like apostrophes). - Added missing comparison operators to search result model. - Added more category properties to search result model. - Added count of deleted old Tor folders to log entry. - Improved XML declaration handling for XDocument.