Test on Python 3.6

Author: myint

.travis.yml

@@ -8,6 +8,7 @@ python:
     - "3.3"
     - "3.4"
     - "3.5"
+    - "3.6"
     - "nightly"
 
 install:
@@ -33,4 +34,4 @@ script:
     - language-check --version
 
     - mv .language_check language_check
-    - if [[ "$TRAVIS_PYTHON_VERSION" == "3.5" ]]; then make check; fi
+    - if [[ "$TRAVIS_PYTHON_VERSION" == "3.6" ]]; then make check; fi