which we kind of use (load first koza.lisp in fm01lisp dir then testgen.lisp) - but with just grammar gen and no crossover or whatnot -
uses eval and ignore-errors to evaluate a population of programs and print results to a file
run with
(run-system problem-function seed size-of-population &rest seeded-programs)
eg:
(run-system #'TESTY 1.1 1000)