make bz_format, bz_toupper, and bz_tolower work more than once
make bz_format, bz_toupper, and bz_tolower work more than once


kongr45gpen/bzflag-import-1,kongr45gpen/bzflag-import-1,kongr45gpen/bzflag-import-1,kongr45gpen/bzflag-import-1,kongr45gpen/bzflag-import-1,kongr45gpen/bzflag-import-1