Support adding LabelPlus labels to Deluge client torrents. (#3713)

sickbeard/clients/deluged_client.py

@@ -178,6 +178,10 @@ class DelugeRPC(object):
         try:
             self.connect()
             self.client.label.set_torrent(torrent_id, label).get()  # pylint:disable=no-member
+        except Exception:
+            try:
+                self.connect()
+                self.client.labelplus.set_torrent_labels([torrent_id], label).get() # pylint:disable=no-member
             except Exception:
                 return False
         finally: