Adds back support for replay.is_ladder and replay.is_private

Author: GraylinKim

sc2reader/parsers.py

@@ -98,7 +98,12 @@ def load(self, replay, filecontents):
 
         #Get global settings first
         replay.speed = data[16]['Game Speed']
+        
+        #TODO: Do we need the category variable at this point?
         replay.category = data[16]['Category']
+        replay.is_ladder = (replay.category == "Ladder")
+        replay.is_private = (replay.category == "Private")
+        
         replay.type = data[16]['Game Type']
 
         #Set player attributes as available,  requires already populated player list