suzerain: return running statistics

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@43749 0bd85f0b-c151-43b9-a1e9-27231104551f
suzerain: make arsel def savable

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@43750 0bd85f0b-c151-43b9-a1e9-27231104551f
suzerain: use arsel from libsuzerain

Migrates to the packages library details,
dropping the complexity within this function.

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@43751 0bd85f0b-c151-43b9-a1e9-27231104551f