download_dryadmetadata
                        Download metadata for individual Dryad id's.
download_url            Download URL for a Dryad id.
dr_identify             Learn about the Dryad OAI-PMH service.
dr_listidentifiers      Gets all OAI Dryad identifiers.
dr_listmetadataformats
                        Learn about the Dryad metadata formats
                        available.
dr_listsets             List the sets in the Dryad metadata repository.
dryad_getfile           Download Dryad dataset (determines file type,
                        then downloads).
getalldryad_metadata    Download metadata for all Dryad oai's for
                        defined time period.
search_dryad            Search metadata for search terms using regex
                        (more powerful than searching online without
                        regex).
totimp                  Get Total Impact (http://totalimpact.org/)
                        metrics or bibliography on a paper.
totimp_dryad            Get Dryad metrics from Total Impact
                        (http://totalimpact.org/) API.
