add trove classifiers

setup.py

@@ -30,7 +30,18 @@ setup(name='Acquisition',
 
       packages=find_packages('src'),
       package_dir={'': 'src'},
-
+      classifiers=[
+          "Development Status :: 6 - Mature",
+          "Environment :: Web Environment",
+          "Framework :: Zope2",
+          "License :: OSI Approved :: Zope Public License",
+          "Operating System :: OS Independent",
+          "Programming Language :: Python",
+          "Programming Language :: Python :: 2 :: Only",
+          "Programming Language :: Python :: 2.6",
+          "Programming Language :: Python :: 2.7",
+          "Programming Language :: Python :: Implementation :: CPython",
+      ],
       ext_modules=[Extension("Acquisition._Acquisition",
                              [os.path.join('src', 'Acquisition',
                                            '_Acquisition.c')],