Bump version to 3.5.3.0 and add 3.6 support.

Author: gvanrossum

setup.py

@@ -9,7 +9,7 @@
                      'to install the typing package.\n')
     exit(1)
 
-version = '3.5.3.dev'
+version = '3.5.3.0'
 description = 'Type Hints for Python'
 long_description = '''\
 Typing -- Type Hints for Python
@@ -37,6 +37,7 @@
     'Programming Language :: Python :: 3.3',
     'Programming Language :: Python :: 3.4',
     'Programming Language :: Python :: 3.5',
+    'Programming Language :: Python :: 3.6',
     'Topic :: Software Development',
 ]