update owltools to be ready to deal with new fields; work on #308
update owltools to be ready to deal with new fields; work on #308

geneontology/amigo,raymond91125/amigo,geneontology/amigo,geneontology/amigo,geneontology/amigo,geneontology/amigo,raymond91125/amigo,geneontology/amigo,raymond91125/amigo,raymond91125/amigo,geneontology/amigo,raymond91125/amigo,raymond91125/amigo