rvm:
  - 2.3.0
  - 2.2.0
  - 2.1.0
  - 2.0.0

gemfile:
  - Gemfile

install: "bundle install"
script: "ruby -Itest test/test_textfile.rb"

notifications:
  email:
    - piers@varyonic.com

rvm:
  - 2.4.0
  - 2.3.0
  - 2.2.0

gemfile:
  - Gemfile

install: "bundle install"
script: "ruby -Itest test/test_textfile.rb"

notifications:
  email:
    - piers@varyonic.com

Add Ruby 2.4 to Travis CI, drop Ruby 2.0, 2.1.
Add Ruby 2.4 to Travis CI, drop Ruby 2.0, 2.1.
