added message.seconds

Author: alexhanh

sc2reader/objects.py

@@ -141,6 +141,7 @@ class Message(object):
 
     def __init__(self, time, player, target, text):
         self.time, self.player, self.target, self.text = time, player, target, text
+        self.seconds = time/16
         self.sent_to_all = (self.target == 0)
         self.sent_to_allies = (self.target == 2)