[Zope-PAS] Checked in the Challenge implementation.

[Lennart Regebro]

Tino Wildenhain wrote:
> Well I think it would make developement of challenge
> plugins more easy and straigt forward instead of 
> having to call obscure interfaces.

But then you would have both the obscure interface of response, as well 
as the obscure interface of challenge() to cope with.

It increases complecity, but adds no functionality.

> If returning 1 means The plugin set a body 
> how to proceed with other plugins that
> come after it? Will they be called? 

No. The 1 means "do not continue with other plugins".