Add examples of use of

Add examples of use of
SerieHelper::SetUserLessThanFunction(userSuppliedLessThanFunction)
use
order=group1-elem1,group2-elem2,...
     (in hexa, no space)
	  if you want to use them as a sort criterium
	  Right now : ValEntries only -just an example-
or
order=name
    if you want to sort on the file name (Why not? Just an example...)