Update deps versions, minor spotify fix, removed db sync, suppress deprecationwarning

bot/modules/spotify/spotify.py

@@ -10,7 +10,9 @@ class Spotify(object):
             client_credentials_manager=SpotifyClientCredentials(
                 client_id=client_id,
                 client_secret=client_secret
-            )
+            ),
+            backoff_factor=0.1,
+            retries=10
         )
 
         self.songs = Songs(self.spotify)