Classify tweepy.

setup.py

@@ -27,4 +27,17 @@ setup(name="tweepy",
       packages=find_packages(exclude=['tests']),
       install_requires=reqs,
       keywords="twitter library",
+      classifiers=[
+          'Development Status :: 4 - Beta',
+          'Topic :: Software Development :: Libraries',
+          'License :: OSI Approved :: MIT License',
+          'Operating System :: OS Independent',
+          'Programming Language :: Python',
+          'Programming Language :: Python :: 2',
+          'Programming Language :: Python :: 2.6',
+          'Programming Language :: Python :: 2.7',
+          'Programming Language :: Python :: 3',
+          'Programming Language :: Python :: 3.3',
+          'Programming Language :: Python :: 3.4',
+      ],
       zip_safe=True)