updated complement function with IUPAC degenerate base table (cf. http://arep.med.harvard.edu/labgc/adnan/projects/Utilities/revcomp.html etc.)
updated complement function with IUPAC degenerate base table (cf. http://arep.med.harvard.edu/labgc/adnan/projects/Utilities/revcomp.html etc.)

alexpreynolds/kmer-counter,alexpreynolds/kmer-counter