.travis.yml in cookieless_sessions-1.0.0 vs .travis.yml in cookieless_sessions-1.0.1

@@ -1,6 +1,18 @@
 language: ruby
 rvm:
-  - 1.9.3
-  - 2.0.0
-  - 2.1.0
-  - 2.1.1
+  - '1.9.3'
+  - '2.0.0'
+  - '2.1.0'
+  - '2.1.1'
+  - ruby-head
+services:
+  - redis-server
+gemfile:
+  - Gemfile.rails-3.2.x
+  - Gemfile.rails-4.0.x
+  - Gemfile.rails-4.1.x
+  - Gemfile.rails-head
+matrix:
+  allow_failures:
+    - rvm: ruby-head
+    - gemfile: Gemfile.rails-head