untested code for conversion of XML to a dictionary in get_ot_study_info_from_treebase_nexml and get_ot_study_info_from_nexml
untested code for conversion of XML to a dictionary in get_ot_study_info_from_treebase_nexml and get_ot_study_info_from_nexml

leto/new_opentree_api,leto/new_opentree_api