* Added support for F16-F19 keys.
* Documented support for F16-F19 keys
* Added support for F20 key
* Added support for F21-F24 on platforms except macOs
* Added support for F21-F24 on macOs
* Documented addition of F16-F24 keys
* Added missing ref qualifier
* Fixed compilation error on 1.24.1
* Refactored methods in macOs events_loop and view files