Fix: the unpatched sources do not support Python 2.6.

Author: RKrahl

setup.py

@@ -69,7 +69,6 @@ def make_release_tree(self, base_dir, files):
         'Topic :: Software Development :: Testing',
         'Programming Language :: Python',
         'Programming Language :: Python :: 2',
-        'Programming Language :: Python :: 2.6',
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
         'Programming Language :: Python :: 3.2',