sudo: false
language: ruby
rvm:
  - 2.3.0
before_install: gem install bundler -v 1.13.6

sudo: false
language: ruby
rvm:
  - 1.9
  - 2.0
  - 2.1
  - 2.2
  - 2.3
  - jruby
before_install: gem install bundler -v 1.13.6

Add more versions for CI
Add more versions for CI
