Lightweight bytecode interpreter

JeffBezanson de19e4f401 adding return special form ... eliminating some unnecessary top-level bindings adding opcodes add2, sub2, neg		2009-04-26 22:19:32 +00:00
femtolisp	adding return special form	2009-04-26 22:19:32 +00:00
llt	converting for to a special form	2009-04-16 03:05:38 +00:00