[development] progress control (like in update.php)?

[Karoly Negyesi]

> What about a progress.inc, which is used by update.php and loaded by 
> this heavy lifter modules when need be, but otherwise does not bother 
> Drupal?

Yes! I like the idea, very, very much like. If this gets implemented, I would like to get the ability of outputting some information on each reload so that the user is not left in the dark.