FIX: Missing join_id argument for dealer

Author: devcarron

game/dealer.py

@@ -6,6 +6,6 @@
 class Dealer(Player):
     credits = 0
 
-    def __init__(self, first_name, deck):
+    def __init__(self, first_name, deck, join_id=None):
         user_id = -1
-        super(Dealer, self).__init__(user_id, first_name, deck)
+        super(Dealer, self).__init__(user_id, first_name, deck, join_id)