mr0: filled in info about =using=, inlined the record type, added a quick summary at the end.
minrel trail (trying to heapsort some ideas here)
mr-trail : sorted by priority
added empty mr1.pas.org
added a blank org-file
added intro and hexdump
explained the ram layout
tracked down and explained the byte alignment issues
mr1: escaping the type system
commented out a bunch of junk