Add some classifiers for pypi

Author: dpryan79

setup.py

@@ -23,6 +23,19 @@ def getVersion():
     long_description="""A sphinx extension that automatically documents argparse commands and options.
 
 For installation and usage details, see the `documentation <http://sphinx-argparse.readthedocs.org/en/latest/>`_.""",
+    classifiers=[
+        'Development Status :: 5 - Production/Stable',
+        'Intended Audience :: Developers',
+        'License :: OSI Approved :: MIT License',
+        'Programming Language :: Python :: 2.7',
+        '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',
+        'Topic :: Documentation :: Sphinx',
+        'Topic :: Software Development :: Documentation'
+    ],
     install_requires=[
         'sphinx>=1.2.0',
         'CommonMark>=0.5.6'