Updated classifiers

Author: kroman0

setup.py

@@ -29,6 +29,9 @@
           "Programming Language :: Python",
           "Topic :: Software Development :: Libraries :: Python Modules",
           "License :: OSI Approved :: GNU General Public License (GPL)",
+          "Topic :: Internet :: WWW/HTTP :: Indexing/Search",
+          "Operating System :: OS Independent",
+          "Development Status :: 5 - Production/Stable",
       ],
       keywords='web zope plone seo search optimization',
       author='Myroslav Opyr, Volodymyr Romaniuk, Mykola Kharechko, '