v2.1.0: Tag for v2.1.0 from v2.1 branch.

Author: marcusw

setup.py

@@ -11,7 +11,7 @@
 
 setup(
     name='nxt-python',
-    version='2.1',
+    version='2.1.0',
     author='Marcus Wanner',
     author_email='marcusw@cox.net',
     description='LEGO Mindstorms NXT Control Package',