Tag for v2.2.0 from r362.

Author: marcuswanner

setup.py

@@ -11,7 +11,7 @@
 
 setup(
     name='nxt-python',
-    version='2.2',
+    version='2.2.0',
     author='Marcus Wanner',
     author_email='[email protected]',
     description='LEGO Mindstorms NXT Control Package',