K 10 svn:author V 5 markm K 8 svn:date V 27 2001-03-03T14:13:53.000000Z K 7 svn:log V 256 Add a whole lot of extra info. Lots was gained from reading code or comments, and some is as a result of simply documenting the entropy harvester. This still needs work: could a newbus guru pleazse follow up and fix.extend my (no doubt) obvious mistakes! END