python: set status to Stable in setup.py

Author: aquynh

bindings/python/setup.py

@@ -190,7 +190,7 @@ def dummy_src():
         #   3 - Alpha
         #   4 - Beta
         #   5 - Production/Stable
-        'Development Status :: 4 - Beta',
+        'Development Status :: 5 - Stable',
 
         # Indicate who your project is intended for
         'Intended Audience :: Developers',