Qprompt

=== Highlights
- Added new `fatal()` function.
- Minor updates for consistency of short/long keywords.

=== Highlights
- Minor update to help messages.

=== Highlights
- Various minor convenience updates and bug fixes.

=== Changed
- For `ask` functions, can now use full keyword names like `message` instead of `msg`. Supported keywords are `message`, `default`, `valid`, `blank`, `show`, `help`.
- Functions/lambdas representation are no longer shown in `?` help message.
- Added ability to supply additional `help` message.

=== Fixed
- Default values are no longer accumulated in help messages.
- Can now use blank string along with valid inputs.

=== Highlights
- Bug fix and minor feature update.

=== Changed
- Can now return any part of of a `MenuEntry` from `show_menu()`.

=== Fixed
- Added missing return statement for `Menu.main`.

=== Highlights
- No functional changes, just documentation and minor style updates.

=== Highlights
- Minor convenience update.

=== Changed
- Added optional `note` text to `Menu`.
- The `note` text will automatically be set when using `Menu.main` to show if menu will loop or not.