Log Message:
py-fonttools: updated to 3.36.0

3.36.0:
- [ttx] Added --no-recalc-timestamp option to keep the original font's
  head.modified timestamp.
- [ttx/psCharStrings] Fixed issues while dumping and round-tripping CFF2 table
  with ttx.
- [voltLib] Fixed check for duplicate anchors. Don't try to read past
  the END operator in .vtp file.
- [varLib] Use sentinel value -0x8000 (-32768) to ignore post.underlineThickness
  and post.underlinePosition when generating MVAR deltas.
- [subset] Added --retain-gids option to subset font without modifying the
  current glyph indices.
- [ufoLib] Replace deprecated calls to getbytes and setbytes with new
  equivalent readbytes and writebytes calls. fs >= 2.2 no required.
- [varLib] Allow loading masters from TTX files as well