re-enable travis tests for Python 3.3 and note compatibility in setup.py

.travis.yml

@@ -3,6 +3,7 @@ env:
     - PYTHON_VER=2.6
     - PYTHON_VER=2.7
     - PYTHON_VER=3.2
+    - PYTHON_VER=3.3
 
 branches:
   only:

setup.py

@@ -84,7 +84,15 @@ setup(
     classifiers = [
        'Intended Audience :: Developers',
        'License :: OSI Approved :: Zope Public License',
+       'Programming Language :: Python',
+       'Programming Language :: Python :: 2.4',
+       'Programming Language :: Python :: 2.5',
+       'Programming Language :: Python :: 2.6',
+       'Programming Language :: Python :: 2.7',
+       'Programming Language :: Python :: 3.2',
+       'Programming Language :: Python :: 3.3',
        'Topic :: Software Development :: Build Tools',
        'Topic :: Software Development :: Libraries :: Python Modules',
        ],
     )
+