Barracuda: CVS Update - Memory leak fix

Hey folks!

Just a note, I have reviewed and checked in both of the patches supplied by
Shawn (comments below). I also added the utility method getCookie()
requested by Jake. Note that this patch solves a (potentially serious)
memory leak in Barracuda, so it would be well worth your while to upgrade to
the latest from cvs... Thanks tremendously (and kudos) to Shawn for making
the effort to track this one down!

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<b>saw_121102.2</b> - Added in Cookie support to the HttpRequester class in
Plankton. This effectively lets you connect to a URL that returns a cookie,
and then you can reuse the requester for other URLs that are going to
require
that cookie. Thanks to Shawn Wilson [[email protected]] for implementing
this.

<b>saw_121102.1</b> - Updated BTemplate and TemplateHelper to properly
release
references between the component and the models. Basically, whenever you use
a
BTemplate the destroyCycle() method MUST be called when you're done with it,
or
the template models will retain a reference to the BTemplate, and the
objects
will never get cleaned up. This was a problem in TemplateHelper where we
create
temporary BTemplate components and then discard them. We also had to modify
BTemplate
itself so that a) if you add a model it first tries to deregister the model
(ie. in
case you are overwriting an existing model, which BlockIterator does) and b)
when
destroy cycle is called we need to run through and deregister all the models
before
nulling out the model list. This effectively fixes the only known memory
leak in
Barracuda, so its a very important patch. Thanks to Shawn Wilson
[[email protected]]
for contributing</p>
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Holler if you have questions...
Christian
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Christian Cryder [[email protected]]
Internet Architect, ATMReports.com
Barracuda - http://barracuda.enhydra.org
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"Coffee? I could quit anytime, just not today"

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