v0.8.0

• Fixed scaling/positioning for --color_format=untouchedsvg output (#267)
• Handle extra whitespace when parsing colors from fill attribute (#269)
• Bump minimum picosvg >= 0.15.0.
  https://github.com/googlefonts/picosvg/releases/tag/v0.14.0
  https://github.com/googlefonts/picosvg/releases/tag/v0.15.0
  Notable changes:
  • Added support for gradient templates with xlink:href attibute,
  • Added partial support for nested <svg> elements.