Qprompt

=== Highlights
- Minor bug fix.

=== Fixed
- Fixed 0 as default value in `ask_int(dft=0)`.

=== Highlights
- Minor changes for PyPI distribution.

=== Highlights
- Renamed QCHAR and ICHAR to QSTR and ISTR.
- Added compact option to menus.
- Renamed menu `footer` to `msg`.

=== Highlights
- Minor non-functional updates.

=== Changed
- Added QCHAR and ICHAR to allow for minor customizations.

=== Highlights
- Minor functional update.

=== Changed
- Function `ask_yesno()` now accepts boolean defaults.

=== Highlights
- Minor improvements to string prompt.
- New helper functions.

=== Changed
- Function `ask_str()` optionally accepts blank input.
- Added `pause()` function.
- Added `alert()` function.