Merge pull request #54 from ohickl/master

fix(utils): update find_go() to accept GO terms with or without colon

fix(utils): Strip 'GO:' prefix from validated GO terms

fix(utils): update EC number regex to allow dashes in all fields

feat(database): parse NCBI metadata using header names and verify EC/GO formats

Update README.md

updated tcdb download to adjust for updated uniprot api calls

updated tcdb download to adjust for updated uniprot api calls

update taxonomy db to dynamically get latest release

update taxonomy db to dynamically get latest release

update v init

update generate_inserts

changed sample_kos to kegg mapper reconstruct format

changed sample_kos to kegg mapper reconstruct format

added sorting to ref_files, they are now redundant if multiple hits from the same file are present, but you can now get the file-hit by their indexes; also added sorting to removal of redundant descriptions to ensure reproducible results