Completely overhauled.  Now mirrors all Tcl API commands which make any sense on a widget, 83 in all, plus a "cmd" proxy so that code written for a bare Tk plframe can work unmodified on a PLWin.
Completely overhauled.  Now mirrors all Tcl API commands which make
any sense on a widget, 83 in all, plus a "cmd" proxy so that code
written for a bare Tk plframe can work unmodified on a PLWin.

svn path=/trunk/; revision=1807

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