dryad_metadata          Search the dryad metadata archive
get_study               return the trees in treebase that correspond to
                        the search results
get_study_id            return the study.id from the search results.
metadata                Get the metadata associated with the study in
                        which the phylogeny was published.
search_metadata         Search the metadata on treebase using the
                        OAI-MPH interface
search_treebase         A function to pull in the
                        phyologeny/phylogenies matching a search query
