[patch] Distinguish between OOM and Key error

[Havoc Pennington]

John (J5) Palmieri wrote:
> Should we have a wait for memory call and then retry?  Do we do this
> indefinitely?
> 

Don't really know. You could just move the @todo/FIXME higher in the 
call stack ;-) I'm not sure it's all that urgent. There should at least 
be a fixme though.

Havoc