Implemented scaffolding for mark+sweep GC.
-rw-r--r-- 35142 COPYING
-rw-r--r-- 942 README.md
-rw-r--r-- 776 debugging.4th
-rw-r--r-- 599 defer-is.4th
-rw-r--r-- 1052 float.4th
-rw-r--r-- 63 launcher.4th
-rw-r--r-- 6122 scheme-primitives.4th
-rw-r--r-- 22960 scheme.4th
-rw-r--r-- 878 term-colours.4th