MyTools.* correction in createHisto2D: do not add 0.5 to the last mass value
HistoPair.hh: added a method createHistoWithSystError
MyTools.* updated DayAndTimeTag, writeBinningArrays and checkBinningArrays to save meta data on file creation
Covariance/studyEffCov_SFsyst.C corrected field names in the debug covRhoFile. writeBinningArrays saves macro name