overload __repr__ for easyier debugging

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@10213 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/Message.py

@@ -129,6 +129,7 @@ class Message(Persistent):
     if isinstance(message, unicode):
       message = message.encode('utf-8')
     return message
+  __repr__ = __str__
 
   def __unicode__(self):
     """