suzerain: #2164 break out code units

Was some interaction between "Re" as a collection of stored quantities
versus "Re" as the code unit.  Breaking out the code units.

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@45399 0bd85f0b-c151-43b9-a1e9-27231104551f