.travis.yml in ar-tokens-0.0.5 vs .travis.yml in ar-tokens-0.0.6

@@ -1,4 +1,15 @@
 language: ruby
 rvm:
   - 1.9.2
   - 1.9.3
+  - 2.0
+gemfile:
+  - gemfiles/Gemfile.activerecord-4.0.x
+  - gemfiles/Gemfile.activerecord-3.2.x
+  - gemfiles/Gemfile.activerecord-3.1.x
+matrix:
+  exclude:
+    - rvm: 1.9.2
+      gemfile: gemfiles/Gemfile.activerecord-4.0.x
+    - rvm: 2.0
+      gemfile: gemfiles/Gemfile.activerecord-3.1.x