- receive a variable number of arguments.
- make rsleep use methods and deal with NcResult.
- new fsleep to flush an NcDirect context.
- fix macro usages in examples.
- made const NotcursesOptions constructors.
- refactor Notcurses constructors to return NcResult.
- pass NotcursesOptions by value, since it's Copy.
- update tests.
- add helper modules for Notcurses & NcPlane.
- new initialization functions to be used in tests.
- BONUS:
- refactor NcDirect
- update examples.
- make char: all NCKEY_* constants.
- make const fn: nckey_mouse_p, ncinput_equal_p & NcInput::new.
- make rsleep!() return the notcurses_render() result.
- new Notcurses constructor with_flags().
- new example: full-input.rs.
- fix comments.
