Note explicit support for Python 3.5 and 3.6

Author: felixonmars

setup.py

@@ -58,6 +58,8 @@ def get_install_requires():
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3.3',
         'Programming Language :: Python :: 3.4',
+        'Programming Language :: Python :: 3.5',
+        'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: Implementation :: PyPy',
         'Topic :: Utilities',
     ],