v0.2.0

Added

• einvoice-to-pdf: build a Factur-X (PDF/A-3) hybrid e-invoice from
  UN/CEFACT CII XML (file or stdin), with --profile (minimum, basicwl,
  basic, en16931, extended), --template for a saved invoice template and
  --webhook; shares the output flags, --test, --timeout and -q with
  the other commands. Profiles minimum/basicwl print a note that the result
  is not a legally sufficient e-invoice.