added hierarchial merge-sort to manage max # open file descriptors in worst case scenarios
updated comments
updated info
Reverse chrom name to improve sorting performance back to previous levels
trying to be more efficient under scenarios with millions of distinct chrom names w/o losing efficiency under normal cases
Working on scaling to millions of distinct chrom names w/o sacrificing regular performance
remove superfluous comments
updated author listing
removed commented code
raised max # open file descriptors
raised max # open file descriptors
changed max # open file descriptors
updated byte-tracking to be more accurate
added --echo-overlap-size and --echo-map-size list operators to bedmap.  Made all --echo-map-* operators more efficient.
added --echo-overlap-size and --echo-map-size list operators to bedmap.  Made all --echo-map-* operators more efficient.
refactored duplicate code
removed files that should not have been added
remove file that should not have been added
Added new visitor for bedmap
fixed dependencies