language: ruby
bundler_args: --without development

rvm:
  - 1.9.3
  - 2.1.1

script:
  - bundle exec rake spec

language: ruby
bundler_args: --without development

rvm:
  - 1.9.3
  - 2.0.0
  - 2.1.1
  - 2.2.2
  - 2.4.0

script:
  - bundle exec rake spec

Test more versions of ruby.
Test more versions of ruby.
