other

• The MEM() function now includes the option "output_prescaled_MEM" that, when set to TRUE, outputs a TXT file containing pre-scaled MEM scores.
• When MAGpop = MAGref and IQRpop < IQRref, the MEM score will always be negative. This prevents positive MEM scores on populations that do not express a given marker.

1. Build.heatmaps function outputs IQR heatmap and text file