added (in-<collection-type> <collection>) in all(?) of the for... forms
Merge branch 'savetodisk2' of https://github.com/wfi/puzzle-solver into savetodisk2
Merge branch 'savetodisk2' of https://github.com/wfi/puzzle-solver into savetodisk2
moved *puzzle-name* to stpconfigs/configenv.rkt
minor cleanup prior to rcbyte changes
(in-progress) fast-rcbyte<->rcpair conversions