preserve input order and duplicates for the taxonomy api. Fixes #490
preserve input order and duplicates for the taxonomy api. Fixes #490

bmesuere/uni-test,bmesuere/uni-test,bmesuere/uni-test,unipept/unipept,unipept/unipept,unipept/unipept,bmesuere/uni-test,unipept/unipept,unipept/unipept,bmesuere/uni-test