july 2019: version 6.1

modified compilation scripts for ROOT version 6.xx
revised makefiles
the environment variable ROOT_VERSION is not used anymore
selection of rootcling for ROOT 6.xx and rootcint for ROOT 5.xx
for ROOT 6.08, additional libraries (ROOT) GLEW and FTGL are required for linking programs

november 2018: version 6.0

added function RCreateYmeanGraph in RGraphFunctions.hh may 2018: version 6.0
added normal vector functions (geometry)
added analysis classes: extrema finder, Hough transform (2D and 3D version based on sphere tesselation) october 2018: version 6.0
corrected bug when loading peak fit data with relative parameters
grouping of base libraries and GUI libraries
added FFT classes: RRealSampleFFT march 2017: version 6.0
for CentOS7, ROOT compiled with -std=c++11 option
corrected a bug when reading data for the decay fit tool (RFitDecay class)

june 2015: version 5.1

added TGraph function from TTree
modified default ROOT libraries options for compilation script to include some ROOT classes (option -evelibs instead of -glibs)
corrected functions to read histograms from a ROOT file, to search also in the sub-directories
created functions to extract an arborescence of selected objects from a ROOT directory
added bash environment configuration script

august 2014: version 5.0

developped with ROOT V5.34 and GCpp1.0
modified RGItem objects and lists (for RGItemTreeSelector widget)
created RGItemTreeSelector defined with a TGListTree widget (and using GItemTreeNode objects of the GCpp library for connection to external objects).
RGStringRequester: automatically set focus to text widget and implement "return" key
the class RGSelectorRequester becomes RGListRequester, with modification of button slot functions
created RGTreeRequester class

august 2014: version 4.0