.travis.yml in youtube_id-0.0.3 vs .travis.yml in youtube_id-0.1.0

@@ -1,10 +1,12 @@
 language: ruby
 script: bundle exec rspec -bfd spec
 rvm:
   - 1.8.7
-  - 1.9.2
   - 1.9.3
+  - 2.0.0
+  - 2.1.10
+  - 2.2.7
+  - 2.3.4
+  - 2.4.1
+  - ruby-head
   - jruby
-  - ree
-  - rbx-18mode
-  - rbx-19mode