orient matches relative to contig and drop probes > 500 bp apart
fix typo in object name
update to use argparse
add option to lastz and easy_lastz to allow specification of min_match
use min_count in place of proportion and floor(taxon_count) versus round(taxon_count)
remove args.genera and split sequence names cleanly
update code to generate data used in Smith et. al. 2013
add code to explode alignments and write fasta outputs
given incomplete matrix of data, count total taxa having data in all alignment files