[turba] Search algorithm

[Chuck Hagenbuch]

Quoting Jan Schneider <jan at horde.org>:

> Yes, that's what I tend to after thinking about it for a while too.  
> We should probably leave Turba as it is, and do the additional  
> filtering in IMP and DIMP.

I disagree; it can be done much more efficiently in Turba. We should  
instead pass Turba a parameter telling it what kind of matches we want  
back.

-chuck

-- 
"we are plastered to the windshield of the bus that is time." - Chris