alias: false? and nil?

list(equal): Don't use F—opaque.

list(equal): Use all, not some!

list(equal): Add.

list(range): Add.

list(first,second,...): Use B, not compose—the latter is an alias.

list(unzip): Return results as (heads . tails) cons, not list.

list.lambda(ipairs): Add, inspired by Lua.

list(unzip): Zipped lists are cons alists, not plists.

alist(keys,vals): Add, inspired by Clojure.

alias(minus): Add as a sub alias.

numbers(log): Add, based on division.

alias(|, char=, .., bool=): Add more.

list((take|drop)while): Add (untested!)

list(split): Don't do singleton, use raw cons.

alias(pairlis): Add as a zip alias (because that's what it is!)

alias(emptyp,null?): CL and Clojure predicates.

alias: More aliases, mostly inspired by Clojure.

list(juxt): Add, inspired by Clojure, but using conses.

list(zip): Add—produces a list of (a . b) conses.

cons(tuple): Add (opinionated.)

list(sort): Add.

list(foldr): Tromp's implementation, or... something close to it.

alias(notany): Alias for none.

list(reverse): Smaller implementation scraped from Tromp's one.

aliase(elem): Add as an alias for `some'.

alias: Isolate set operation aliases.

set.lambda: Move set operations there.

list(union): Add.

list(difference): Fix, use remove instead of filter.