Prepare 0.5.5 release

ChangeLog

+python-nbxmpp 0.5.5 (30 January 2017)
+
+  * Some cleanup
+  * Add some namespaces
+
 python-nbxmpp 0.5.4 (04 September 2016)
 
   * Fix SCRAM authentication

nbxmpp/__init__.py

@@ -17,4 +17,4 @@ from .client_nb import NonBlockingClient
 from .plugin import PlugIn
 from .smacks import Smacks
 
-__version__ = "0.5.4"
+__version__ = "0.5.5"

setup.py

@@ -3,7 +3,7 @@
 from distutils.core import setup
 
 setup(name='nbxmpp',
-      version='0.5.4',
+      version='0.5.5',
       description='Non blocking Jabber/XMPP module',
       author='Yann Leboulanger',
       author_email='asterix@lagaule.org',