amadeus 4.0.0

• awesome_print 1.9.2 ~> 1.8

• bundler 2.1.4 ~> 2.1.2

• guard 2.19.0 ~> 2.14

• guard-rake 1.0.0 ~> 1.0

• guard-yard 2.2.1 ~> 2.2

• rake 12.3.3 ~> 12.3

• rb-readline 0.5.5 ~> 0.5.5

• rspec 3.13.0 ~> 3.7

• rubocop 0.59.0 = 0.59

• simplecov 0.22.0 ~> 0.15

• vcr 4.0.0 ~> 4.0

• webmock 3.24.0 ~> 3.3

• yard 0.9.37 ~> 0.9.12