2.0 (2013-05-22)
	*change the adress of the maintainer  (new : reg.gallon@gmail.com)
	*add new function grandistrib
	*corrections of bugs ( units)
	
2.0-1 (2013-11-07)
	*correction of .grancompat function
	
2.1 (2014-03-11)
	*corrections of bugs
	*add new function using shiny package
	
2.1.3 (2015-03-9)
  *corrections of bugs (computation of indices)
	*add new function using ggplot2 package
	 
2.2 (2025-11-10)
  *major update of all R functions (granstat, granplot, grandistrib)
  *improved internal functions and code refactoring (G2Sd-internal.R)
  *complete overhaul of Shiny application interface (ui.R, server.R)
  *add modern UI with bslib, shinyWidgets, plotly, and patchwork
  *add interactive plots with plotly
  *change adress of the maintainer (new : regis.gallon@lecnam.net)
  *update DESCRIPTION file with Authors@R format
  *add second author: Jerome Fournier (CNRS|MNHN)
  *update package dependencies (ggplot2, dplyr, tidyr, viridis, shiny, bslib, shinyWidgets, plotly, patchwork)
  *update CITATION file with bibentry format
  *add G2SdLogo.png to package data
  *expand and update README with installation instructions, usage examples, and badges
  *improve documentation and examples
  *corrections of bugs