[BUG?] Caching Mutex Bug

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From: Steve Purkis
Subject: [BUG?] Caching Mutex Bug
Date: 13:30 on 23 Oct 2003
Hi all,

There's potentially a bug in the Pixie caching system - I haven't had 
time to verify it, but I keep on seeing hints of it.  Consider the 
scenario:

	1. I stick an object in the store, then destroy it.
	2. Somebody else gets it out, changes it, and puts it back.
	3. I get Pixie to fetch the object again, it gets it from its cache.
	   The copy I get doesn't have the changes of (2) in it.
	4. I change it and put it back. The changes of (2) are lost.

When I get a chance to write a test for it (if there's not already one) 
I will.  Who knows, maybe it's me.  Just wanted to think out loud.

-Steve

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