[enh] setup.py classifiers

    description="A privacy-respecting, hackable metasearch engine",

    long_description=long_description,

    classifiers=[

        "Development Status :: 4 - Beta",

        "Programming Language :: Python",

        "Topic :: Internet",

        "Topic :: Internet :: WWW/HTTP :: HTTP Servers",

        "Topic :: Internet :: WWW/HTTP :: WSGI :: Application",

        'License :: OSI Approved :: GNU Affero General Public License v3'

    ],

    keywords='meta search engine',

    author='Adam Tauber',