Use a more efficient way for storing player messages.

Author: GraylinKim

sc2reader/processors/full.py

@@ -154,9 +154,7 @@ def Full(replay):
         for time, pid, flags, target, text in replay.raw.message_events.messages:
             message = Message(time, replay.person[pid], target, text)
             replay.messages.append(message)
-            for player in replay.players:
-                if player.pid == pid:
-                    player.messages.append(message)
+            replay.player[pid].messages.append(message)
 
         # Figure out recorder
         packet_senders = map(lambda p: p.player, replay.packets)