suzerain: add lingering TODOs

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@43631 0bd85f0b-c151-43b9-a1e9-27231104551f
suzerain: avoid rope artifacts

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@43632 0bd85f0b-c151-43b9-a1e9-27231104551f