add python versions to travis build definition

Author: Eduard Iskandarov

.travis.yml

@@ -1,4 +1,9 @@
 language: python
+python:
+  - "2.6"
+  - "2.7"
+  - "3.5"
+  - "3.6"
 install:
   - pip install tox coveralls
 # command to run tests
@@ -7,7 +12,7 @@ script:
 env:
   - TOXENV=py26
   - TOXENV=py27
-  - TOXENV=py34
   - TOXENV=py35
+  - TOXENV=py36
 after_success:
   coveralls

setup.py

@@ -50,8 +50,8 @@ def find_version(*file_paths):
         'Operating System :: OS Independent',
         'Programming Language :: Python :: 2.6',
         'Programming Language :: Python :: 2.7',
-        'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
+        'Programming Language :: Python :: 3.6',
         'Topic :: System :: Distributed Computing',
     ],
 )