luffa 2.1.0

• bundler 2.2.6 >= 0

• growl 1.0.3 ~> 1.0

• guard-bundler 2.2.1 ~> 2.0

• guard-rspec 4.7.3 ~> 4.3

• pry 0.13.1 >= 0

• pry-nav 0.3.0 >= 0

• rake 10.5.0 ~> 10.3

• redcarpet 3.5.1 ~> 3.1

• rspec 3.10.0 ~> 3.0

• stub_env 1.0.4 >= 1.0.1, < 2.0

• travis 1.10.0 >= 0

• yard 0.9.26 >= 0