Merge pull request #2 from yarbelk/master

Made it an installable package.
Merge pull request #4 from yarbelk/master

changed to setuptools from distutils
Merge branch 'master' of github.com:kathysufy/blast_sort
Merge branch 'master' of github.com:yarbelk/blast_sort
add .\d+ to the fasta regex that use them in accession numbers.
incremented the version number