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

field wnpp bugs feed
arts1
astronomy1
biology1
chemistry1
electronics2
finance2
genealogy1
geography3
linguistics2
mathematics5
physics3
statistics2
aviation0
biology:bioinformatics0
biology:molecular0
biology:structural0
computer-science0
geology0
medicine:imaging0
medicine0
meteorology0
religion0