* cg-crapette.el (cg-crapette-stops): new defcustom.
(cg-crap--stop): call STOP (end your turn) or block, per the custom, when
you skip an available foundation play; wired into drop, draw, and end.
(cg-crap--builds-down-p, cg-crap--house-run, cg-crap--free-houses,
cg-crap--capacity, cg-crap--house-move, cg-crap--do-move): move a legal
sequence between houses, limited by the number of empty houses.
* test/card-games-tests.el: add cgt-crap-house-run, -sequence-move,
-sequence-space, -stop.
* NEWS: note the stop rule and sequenced moves.