.travis.yml in authority-3.2.0 vs .travis.yml in authority-3.2.1

@@ -1,6 +1,27 @@
 language: ruby
 rvm:
-  - 2.3.1
+  - 1.9.3
+  - 2.0
+  - 2.1
+  - 2.2
+  - jruby-19mode # JRuby in 1.9 mode
+  # - rbx-2
 
+before_install:
+  - gem update bundler && bundle --version
+
 gemfile:
-  - gemfiles/5.0.gemfile
+  - gemfiles/3.2.gemfile
+  - gemfiles/4.0.gemfile
+  - gemfiles/4.1.gemfile
+  - gemfiles/4.2.gemfile
+
+matrix:
+  exclude:
+    - rvm: rbx
+      gemfile: gemfiles/4.0.gemfile
+  include:
+    - rvm: 2.2.2
+      gemfile: gemfiles/5.0.gemfile
+    - rvm: 2.3.1
+      gemfile: gemfiles/5.0.gemfile