Changes in version 2022-03-01                      

Improvements

  - The stop function uses the argument call. = FALSE when used in the
    helper functions "check_choice" and "print_menu" This avoids the
    error message being misleading to user as the helper function names
    are hidden if an error message occurs within these functions.

                     Changes in version 2022-02-28                      

Bug Fixes

  - The exact number will return True in the function check_choice. In
    the previous version the function returned True when the correct
    number was submitted with a character on the left, right or either
    side of the number.