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obscache: skip the cache entirely if not up to date
Tue, 02 May 2017 02:13:33 +0200, by Pierre-Yves David
readme: mention that some improvement are enabled for 4.2 only
Mon, 01 May 2017 15:49:36 +0200, by Pierre-Yves David
perf: use the cache to compute the obsolete set.
Mon, 01 May 2017 08:12:26 +0200, by Pierre-Yves David

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