language: ruby
script: bundle exec appraisal rspec
rvm:
  - 2.0.0
  - 2.2.0
before_install:
  - gem install bundler
before_script:
  - bundle exec appraisal install

language: ruby
script: bundle exec appraisal rspec
rvm:
  - 2.0.0
  - 2.2.0
  - 2.3.1
before_install:
  - gem install bundler
before_script:
  - bundle exec appraisal install

Add testing for MRI 2.3.1 to Travis.
Add testing for MRI 2.3.1 to Travis.
