mfpcount: add threshold argument

[Paul Villanueva]

MetaFunPrimer/src/mfpcount

Line 60 in d65da5d

 while getopts ":hi:o:b:e:-:" opt; do 

The current implementation of mfpcount just uses 0.80 as the cumulative threshold cutoff. Add an argument for the user to choose their cumulative thresholding value.

• Add a short option -t
• Add a long option --threshold
• The default threshold value is 0.80.

Affected files:

• mfpcount