d005f690 sleep is now built-in
0d1a9574 sharing more code between let and loop
59a713c3 updated benchmarks with 2 new additions
b891468a added a loop form that borrows a lot from LET. it may be possible to turn let into a special case of loop later
eb02f779 some organising and comment type fix
6a64d8ae fix bug that snuck in while consolidating MAP
414eb2f6 consolidating MAP_FIRST and MAP_REST into a single MAP continuation.
67b4e2a2 update readme
git-subtree-dir: lispBM/lispBM
git-subtree-split: d005f690c4d753ddb625898c21a56b0f3f7dcc38