$ bundle install
*snip*
Fetching url ffi 1.9.18 (x64-mingw32)
Installing ffi 1.9.18 (x64-mingw32)
Gem::RuntimeRequirementNotMetError: ffi requires Ruby version < 2.5, >= 2.0. The
current ruby version is 2.5.0.
An error occurred while installing ffi (1.9.18), and Bundler cannot
continue.
Make sure that `gem install ffi -v '1.9.18' --source 'https://rubygems.org/'`
succeeds before bundling.
In Gemfile:
github-pages was resolved to 168, which depends on
github-pages-health-check was resolved to 1.3.5, which depends on
typhoeus was resolved to 0.8.0, which depends on
ethon was resolved to 0.11.0, which depends on
ffi
This effects #37, and may be related to #39.