security fix: check that the 'dir' URL arg is legit
fix bug in pointing.cpp (from Pierpaolo)
In web pages that run potentially long scripts, run with nice and ionice
Bug fixes from Pierpaolo
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Merge branch 'master' of ssh://git.code.sf.net/p/seti-science/code
multiplet list: add option for showing only multiplets
Merge branch 'master' of ssh://git.code.sf.net/p/seti-science/code