rzo 0.4.0

• guard 2.19.1 ~> 2.14

• guard-rspec 4.7.3 ~> 4.7

• guard-rubocop 1.5.0 ~> 1.3

• guard-shell 0.7.2 ~> 0.7

• guard-yard 2.2.1 ~> 2.2

• pry 0.15.2 ~> 0.10

• pry-stack_explorer 0.6.1 ~> 0.4

• rake 10.5.0 ~> 10.0

• rspec 3.13.0 ~> 3.0

• rubocop 0.93.1 ~> 0.49

• simplecov 0.22.0 ~> 0.14

• yard 0.9.37 ~> 0.9