Updates setup.py

Author: sdispater

setup.py

@@ -91,7 +91,15 @@ def build_extension(self, ext):
         'Intended Audience :: Developers',
         'Operating System :: OS Independent',
         'Programming Language :: Python',
-        'Topic :: Software Development :: Libraries :: Python Modules',
+        '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',
+        'Programming Language :: Python :: Implementation :: CPython',
+        'Programming Language :: Python :: Implementation :: PyPy'
     ],
 )