changed license to MIT

sleekxmpp/exceptions.py

@@ -1,3 +1,11 @@
+"""
+    SleekXMPP: The Sleek XMPP Library
+    Copyright (C) 2010  Nathanael C. Fritz
+    This file is part of SleekXMPP.
+
+See the file license.txt for copying permission.
+"""
+
 class XMPPError(Exception):
 	def __init__(self, condition='undefined-condition', text=None, etype=None, extension=None, extension_ns=None, extension_args=None):
 		self.condition = condition