Bump version to 1.1.11

sleekxmpp/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__ = '1.1.10'
-__version_info__ = (1, 1, 10, '', 0)
+__version__ = '1.1.11'
+__version_info__ = (1, 1, 11, '', 0)