Hi Juha,
you added is_int() function to utils module, which has dependencies on
curl and xml2 libraries. I think a better place would be pv module since
it is actually working on pvs. Since it is new in 3.2, it should be
moved before the major release -- if you think is ok, feel free to move
it or if time is a constraint, I can do it.
Thanks,
Daniel
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