Changed to a more powerful prompt mechanism.  Prompt now gives program name (pltcl) followed by an underscore and the current stream number. Very handy when doing multiple stream work.
Changed to a more powerful prompt mechanism.  Prompt now gives program
name (pltcl) followed by an underscore and the current stream number.
Very handy when doing multiple stream work.

svn path=/trunk/; revision=1362

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