Massive rewrite of the simplex code.  Got something that seems to actually work.  Broke it out as a sub-class, which introduced a few vitual functions.  Had to relax and/or modify some assertions, even in the base class.
Massive rewrite of the simplex code.  Got something that seems
to actually work.  Broke it out as a sub-class, which introduced
a few vitual functions.  Had to relax and/or modify some assertions,
even in the base class.

cander/pseudoflow-solver,cander/pseudoflow-solver