I've added support to use multiple keys on CSVs for the comparison.
If the provide key is a list of column names instead of a single column name, the code kicks in to create a concatenated key comprised of the provided columns. An optional key separator can be provided to affect comparison text displays.
I've added support to use multiple keys on CSVs for the comparison. If the provide key is a list of column names instead of a single column name, the code kicks in to create a concatenated key comprised of the provided columns. An optional key separator can be provided to affect comparison text displays.