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

@@ -1,6 +1,14 @@
 language: ruby
+
 rvm:
-  - 2.0.0
-  - 2.1.0
-  - 2.1.1
-  - ruby-head
\ No newline at end of file
+  - 2.1.9
+  - 2.2.6
+  - 2.3.3
+  - ruby-head
+
+before_install:
+  - gem update bundler
+
+matrix:
+  allow_failures:
+    - rvm: ruby-head