Initial sequence work.
Sequences and subsequences are the same thing.
A few tests. Copying subsequences.
Use bulk insertion for N mask. Better iterator.
Complement, reverse, reverse complement.
Work on optimizing sequence construction.
Fix RNASequence constructor.
Mismatches.
Nucleotide composition, iterating through kmers, better show.
Separate seq code into multiple files.
Fast kmer manipulation.
Amino acid sequences, and eachkmer improvements.
Translation.
Alternative genetic codes for .
Test . Fix a few things.
Handle translatable ambiguity in translate.
Kmer tests.
Merge pull request #15 from dcjones/seq

WIP: Sequences
Make printing of sequence types a little nicer.
Merge branch 'seq'