Added some things to help with Plots, etc. - in short, attempt to hide some of what is goign on with Expression<> etc. from the user.
Added some things to help with Plots, etc. - in short, attempt to hide some
of what is goign on with Expression<> etc. from the user.

gordonwatts/LINQtoROOT,gordonwatts/LINQtoROOT,gordonwatts/LINQtoROOT