marquee 1.1.0

• Size of element_marquee() is communicated similar to element_text() (#57)
• You can now change the size by using a {.size ...} shortcut, e.g. {.30 BIG} to
  render BIG with font size 30
• Added functionality to add outline to text as well as adding the .out style.
  Outlines can be controlled with the outline, outline_width, outline_join
  and outline_mitre style settings (#60)
• Added support for PNG and JPEG files from URLs (#63)
• Fixed a bug in bullet placement when the bullet was the last in the document
  and contained multiple text spans (#54)
• Fixed a bug in nested unordered bullet lists where the calculated bullet would
  be wrong (#53)
• Fixed a bug when using ordered list
• Fixed various bugs in guide_marquee()