v2.22.1 (2017-03-24) Bug Fixes usage: fixes a big regression with custom usage strings (2c41caba) v2.22.0 (2017-03-23) API Additions App::name: adds the ability to change the name of the App instance after creation (d49e8292, closes #908) Arg::hide_default_value: adds ability to hide the default value of an argument from the help string (89e6ea86, closes #902)