Download occurrence points from BIENSource:
Downloads occurrence points and useful related information for processing within other occCite functions
A list containing
a data frame of occurrence data;
a list containing: i notes on usage, ii bibtex citations, and iii acknowledgment information;
a data frame containing the raw results of a query to `BIEN::BIEN_occurrence_species()`.
`getBIENpoints` only returns all BIEN records, including non- native and cultivated occurrences.