Update version to 1.5.2

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__ = '1.5.1'
-__version_info__ = (1, 5, 1)
+__version__ = '1.5.2'
+__version_info__ = (1, 5, 2)