add trove classifiers

Author: tshepang

setup.py

@@ -9,4 +9,19 @@
      , version='2.1.1-dev'
      , packages=find_packages()
      , install_requires=['psycopg2 >= 2.5.0']
+     , classifiers=[
+         'Development Status :: 5 - Production/Stable',
+         'Intended Audience :: Developers',
+         'License :: CC0 1.0 Universal (CC0 1.0) Public Domain Dedication',
+         'Operating System :: OS Independent',
+         'Programming Language :: Python :: 2',
+         'Programming Language :: Python :: 2.6',
+         'Programming Language :: Python :: 2.7',
+         'Programming Language :: Python :: 3',
+         'Programming Language :: Python :: 3.2',
+         'Programming Language :: Python :: 3.3',
+         'Programming Language :: SQL',
+         'Topic :: Database :: Front-Ends',
+         'Topic :: Software Development :: Libraries :: Python Modules',
+       ],
       )