division fixed
execution mode and printout
added argparse option
Merge branch 'batch_histogramming' of ssh://cms.hep.kbfi.ee/~joosep/singletop/stpol into batch_histogramming
added xs weighting for MC
output to temp file
Merge branch 'batch_histogramming' of ssh://pata/~joosep/Documents/stpol into batch_histogramming