Adds in some basic __str__ functionality to have printable exceptions

Author: GraylinKim

sc2reader/exceptions.py

@@ -3,4 +3,12 @@ def __init__(self, message, replay, event, bytes):
         self.message = message
         self.replay = replay
         self.event = event
-        self.bytes = bytes
+        self.bytes = bytes
+        
+    def __str__(self):
+        return """ParseError %s
+            %s - %s
+            %s""" % (self.message, self.event.type, self.event.code, self.bytes)
+        
+    def __repr__(self):
+        return str(self)