SCSH, a scheme library/derivitive built on scheme48, works well here. It's got functions and macros for doing all those things. It works quite well, but is sadl

SCSH, a scheme library/derivitive built on scheme48, works well here. It's got functions and macros for doing all those things. It works quite well, but is sadly seemingly barely maintained. However, its features have been ported to just about every scheme out there, to some extent.