v2.4.3 (2016-05-10) Bug Fixes Usage Strings: now properly dedups args that are also in groups (3ca0947c, closes #498) removes duplicate groups from usage strings (f574fb8a) Improvements Groups: formats positional args in groups in a better way (fef11154) Help: moves positionals to standard <> formatting (03dfe5ce) default help subcommand string has been shortened (5b7fe8e4, closes #494)