gem 'bundler', '>= 0', group: %i(development)
gem 'rake', '>= 0', group: %i(development)
gem 'test-unit', '>= 0', group: %i(development)
gem 'rake-compiler', '>= 0', group: %i(development)
gem 'io-console', '~> 0.5.11'
