Ensure testing with released CPython 3.5

CPython 3.5.0 was released on September 13th, 2015.

Author: Echelon9

.travis.yml

@@ -3,6 +3,7 @@ python:
   - 2.7
   - 3.3
   - 3.4
+  - 3.5
   - pypy
 install:
   - pip install -r requirements.txt

setup.py

@@ -109,6 +109,7 @@ def run(self):
                    'Programming Language :: Python :: 2.7',
                    'Programming Language :: Python :: 3.3',
                    'Programming Language :: Python :: 3.4',
+                   'Programming Language :: Python :: 3.5',
                    'Topic :: Software Development :: Libraries :: Python Modules'
                   ],