pushed up null, list?, and atom? to test as I start splitting these out.
split out ch00.rkt
run all tests in one process for faster runs
Split out ch01.rkt
Split out ch02.rkt
Split out ch03.rkt
Split out ch04.rkt
Added testslow to make sure I'm not missing something on a per-file basis.
Split out ch05.rkt
Split out ch06.rkt
Split out ch07.rkt
Split out ch08.rkt
nuked little-schemer.rkt
Converted output to test assertions in ch12.rkt