arstotzka 1.6.0

• bundler 1.16.1 = 1.16.1

• pry 0.12.2 = 0.12.2

• pry-nav 0.3.0 = 0.3.0

• rake 13.0.1 = 13.0.1

• reek 5.6.0 = 5.6.0

• rspec 3.9.0 = 3.9.0

• rspec-core 3.9.1 = 3.9.1

• rspec-expectations 3.9.1 = 3.9.1

• rspec-mocks 3.9.1 = 3.9.1

• rspec-support 3.9.2 = 3.9.2

• rubocop 0.80.1 = 0.80.1

• rubocop-rspec 1.38.1 = 1.38.1

• rubycritic 4.4.1 = 4.4.1

• safe_attribute_assignment 0.0.3 >= 0

• simplecov 0.17.1 = 0.17.1

• yard 0.9.24 = 0.9.24

• yardstick 0.9.9 = 0.9.9