MyTools.* added printMeanAndRMS(TH1D), AppendToHistoName(Histo_t), correctNegativeValues(TH2D), Clone(TH1D*,newName,setAsTitle), Copy(TH2D*,TH2D*). Also added createHisto2D(TMatrixD,...) that is not using TColorRange_t immediately
ComparisonPlot.hh prints a message when the ratio subpanel is not produced by Draw
Include/CrossSection.hh added VXSectD_t::Accumulate_end(). Constructor calls this->Zero()
CrossSection/plotCSCov.C. The function plotTotCov.C saves the histograms of total covariance and correlation matrices