loga 2.2.0

• appraisal 2.2.0 ~> 2.2.0

• bundler 1.17.3 ~> 1.6

• byebug 11.1.3 >= 0

• guard 2.18.1 ~> 2.13

• guard-rspec 4.7.3 ~> 4.7.3

• guard-rubocop 1.5.0 ~> 1.2

• pry 0.14.2 >= 0

• rack-test 2.1.0 >= 0

• rake 13.2.1 >= 0

• rspec 3.6.0 ~> 3.6.0

• rubocop 0.50.0 ~> 0.50.0

• timecop 0.9.9 >= 0