added not found attribute to get_eolid when not found #363
added not found attribute to get_colid when not found #363
small fixes to not found attribute in get_eolid and get_tsn
changed all get_* fxns to assign att of `nothing chosen` when take = 0 #363
added not found attribute to get_tpsid when not found #363
added not found attribute to get_nbnid when not found #363
a few edits to get_ubioid to standardize outputs to other similar fxns #363
added not found attribute to get_gbifid when not found #363