Forked from Mark Crowe: http://research.imb.uq.edu.au/seqdoc/multi_seqdoc.pl
The single file version of this script was published as Crowe, Mark L "SeqDoC: rapid SNP and mutation detection by direct comparison of DNA sequence chromatograms." BMC Bioinformatics 2005, 6:133 https://doi.org/10.1186/1471-2105-6-133 with an attached Creative Commons license: (http://creativecommons.org/licenses/by/2.0).
"Multiple SeqDoC" by Mark Crowe was obtained from website at http://research.imb.uq.edu.au/seqdoc/, specifically http://research.imb.uq.edu.au/seqdoc/multi_seqdoc.pl
Other modifications performed by Matt Pagel to read secondary peak-under-peak