.travis.yml in percheron-0.1.0 vs .travis.yml in percheron-0.2.0

@@ -1,3 +1,8 @@
 language: ruby
 rvm:
-  - 2.3.0
+  - 2.2
+branches:
+  only:
+    - master
+    - wip
+script: bundle exec rake spec