A CSV to Revit Key Schedule that supports linebreaks/newlines

Issue: https://github.com/OpeningDesign/OD_Library/issues/1

Bounty: https://www.bountysource.com/issues/40742531-a-csv-to-revit-key-schedule-that-supports-linebreaks-newlines

Thanks @Dimitar_Venkov! This is great.

To see and use his handy work…