Find orphaned, RFA'd, RFH'd packages using debtags

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arts1
astronomy2
aviation1
biology1
chemistry2
electronics8
finance2
geography3
linguistics4
mathematics5
physics2
statistics1
biology:bioinformatics0
biology:molecular0
biology:structural0
computer-science0
genealogy0
geology0
medicine:imaging0
medicine0
meteorology0
religion0