language: ruby
rvm:
  - 2.1.0
  - 2.0.0

language: ruby
rvm:
  - 2.6.3
  - 2.5.5
  - 2.4.6
  - 2.3.8
  - 2.2.10
  - 2.1.10
  - 2.0.0

Add more recent versions of Ruby to Travis CI build matrix
Add more recent versions of Ruby to Travis CI build matrix
