Minor changes in classifiers

Author: Chilipp

setup.py

@@ -22,10 +22,9 @@ def readme():
         'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.2',
-        'Programming Language :: Python :: 3.3',
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
+        'Programming Language :: Python :: 3.6',
         'Operating System :: OS Independent',
       ],
       keywords='sphinx autodoc autosummary content table',