print ReadError now has useful output.

Author: GraylinKim

sc2reader/exceptions.py

@@ -15,6 +15,9 @@ def __init__(self, msg, type, code, location, replay=None,  game_events=[], buff
         self.__dict__.update(locals())
         super(ReadError, self).__init__(msg)
 
+    def __str__(self):
+        return "{0}, Type: {1}, Code: {2}".format(self.msg, self.type, self.code)
+
 class ProcessError(SC2ReaderError):
     pass