Prevent removal of download if disk is full.

Download hasn't failed but rather been temporarily stalled. It should leave the download a lone until a proper error that cannot be fixed.
If the disk is full it will also likely prevent any other downloads as well so even more reason to leave it alone.

couchpotato/core/downloaders/utorrent.py

@@ -176,7 +176,7 @@ class uTorrent(DownloaderBase):
                 status = 'busy'
                 if (torrent[1] & self.status_flags['STARTED'] or torrent[1] & self.status_flags['QUEUED']) and torrent[4] == 1000:
                     status = 'seeding'
-                elif torrent[1] & self.status_flags['ERROR']:
+                elif torrent[1] & self.status_flags['ERROR'] and 'There is not enough space on the disk' not in torrent[21]:
                     status = 'failed'
                 elif torrent[4] == 1000:
                     status = 'completed'