added function to normalize all values to a 0-1 range and error statements for values in invalid ranges and changes to ranges presented
added function to normalize all values to a 0-1 range and error statements for values in invalid ranges and changes to ranges presented

AshleyLab/stmpVisualization2.0,AshleyLab/stmpVisualization2.0,AshleyLab/stmpVisualization2.0