ztk 3.0.4

• codeclimate-test-reporter 1.0.9 >= 0

• coveralls 0.8.23 >= 0

• pry 0.15.0 >= 0

• rake 13.2.1 >= 0

• redcarpet 3.6.0 >= 0

• rspec 3.13.0 >= 0

• simplecov-rcov 0.3.7 >= 0

• travis 1.14.0 >= 0

• websocket-native 1.0.0 >= 0

• yard 0.9.37 >= 0

• yarjuf 2.0.0 >= 0