Welcome to the Future™
Update rubocop to version 0.26.1
Update tins to version 1.3.3
Update ruby-progressbar to version 1.6.0
Update simplecov to version 0.9.1
Update minitest to version 5.4.2
Update safe_yaml to version 1.0.4
Update webmock to version 1.19.0
Update parser to version 2.2.0.pre.5