Add tests of recce->progress(-N): t+
Add tests of recce->progress(-N): t+

jeffreykegler/libmarpa,jeffreykegler/libmarpa,jeffreykegler/kollos,jeffreykegler/kollos,pczarn/kollos,jeffreykegler/libmarpa,jeffreykegler/kollos,pczarn/kollos,pczarn/kollos,jeffreykegler/kollos,pczarn/kollos,jeffreykegler/kollos,jeffreykegler/libmarpa,jeffreykegler/libmarpa,pczarn/kollos