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+ o Minor features:
+ - Improve the circuit queue out-of-memory handler. Previously, when
+ we ran low on memory, we'd close whichever circuits had the most
+ queued cells. Now, we close those that have the *oldest* queued
+ cells, on the theory that those are most responsible for us
+ running low on memory. Based on analysis from a forthcoming paper
+ by Jansen, Tschorsch, Johnson, and Scheuermann. Fixes bug 9093. \ No newline at end of file