Reset to torrent collab. Added braces to torrentblackole
reverted a 'this.' removal, and added some if braces.
Updated RestSharp

Changed µTorrent to use RestSharp
Optimized the GetItems function from µTorrent and Transmission
Removed unnecessary comments
Updated DownloadClientItem revisions.
Add Sabnzbd and uTorrent tests based on the DownloadClientFixtureBase.