setup.py: Add classifiers for newer Python versions

Author: bgilbert

setup.py

@@ -45,6 +45,8 @@
         'Programming Language :: Python :: 2.6',
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3.3',
+        'Programming Language :: Python :: 3.4',
+        'Programming Language :: Python :: 3.5',
         'Topic :: Scientific/Engineering :: Bio-Informatics',
     ],
     install_requires=[