accept any version of ruby 2.3 in the Gemfile (#710)
accept any version of ruby 2.3 in the Gemfile (#710)

according the heroku docs it's recommended to accept a wider range of ruby versions in the gemfile https://devcenter.heroku.com/articles/ruby-versions

This will help people avoid errors because their ruby version is a slight mismatch
julianguyen/ifme,julianguyen/ifme,sexybiggetje/ifme,sexybiggetje/ifme,cartothemax/ifme,julianguyen/ifme,julianguyen/ifme,cartothemax/ifme,sexybiggetje/ifme,cartothemax/ifme,cartothemax/ifme