Release slixmpp 1.4.0

slixmpp/version.py

@@ -9,5 +9,5 @@
 # We don't want to have to import the entire library
 # just to get the version info for setup.py
 
-__version__ = '1.3.0'
-__version_info__ = (1, 3, 0)
+__version__ = '1.4.0'
+__version_info__ = (1, 4, 0)