check_version           Check PID version
download_d1_data        Download data and metadata from DataONE
download_d1_data_pkg    Download all data and metadata of a data
                        package from DataONE
metajam                 'metajam' package
read_d1_files           Read data and metadata based on
                        'download_d1_data()' file structure
tabularize_eml          Get tabular metadata
