Add question example.
0.0.54
Add default example.
Add infinite repl style example.
0.0.55
Add confirm example.
Assert on unacceptable confirm prompt value.
0.0.56
Expose HistoryFile.
Add password example.
Add newpass example.
Add credentials example.

Make username definition required and repeatable by default.
0.0.57
Import and patch MuteStream.

Such that using a silent prompt with ANSI escape sequences will no
longer display the plain text when the backspace key is pressed.
0.0.58
Tidy ANSI fix.
0.0.59