Dávid Gyurkó

When reading any sas7bdat file via `haven::read_sas`, the only metadata property returned is the "Format". [pyreadstat](https://github.com/Roche/pyreadstat), a python library that is also based on ReadStat has this [feature](https://ofajardo.github.io/pyreadstat_documentation/_build/html/index.html) e.g.: the...