Update setpu.py to version testing

Author: chdemko

setup.py

@@ -69,11 +69,9 @@
         'Topic :: Software Development :: Build Tools',
 
         # Specify the Python versions you support here. In particular, ensure
-        # that you indicate whether you support Python 2, Python 3 or both.
+        # that you indicate whether you support Python 2.7, Python 3 or both.
         'Programming Language :: Python :: 2.7',
-        'Programming Language :: Python :: 3.4',
-        'Programming Language :: Python :: 3.5',
-        'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3'
     ],
 
     # What does your project relate to?