* Canceling progress dialog should kill off process and close the dialog
* Add pixmap support to list dialog ?
	- Suggested by Dani Brody <brodydani@hotmail.com>
* Add new format ?
	--list --column=check,hide --column=pixmap --column=string,editable
	- Suggested by Dani Brody <brodydani@hotmail.com>
* Add support for DML (Dialog Meta Language)?
	- ftp://ftp.pld.org.pl/people/malekith/dml/
	- Suggested by Michal Moskal <malekith@pld-linux.org>