Fleshed out now, nodes all work, etc.  Still needs more updating though.
Fleshed out now, nodes all work, etc.  Still needs more updating though.

svn path=/trunk/; revision=897

FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot