• New FontInterface method: wrapText - split a text into multiple lines, so that it fits a specific width (@mlocati)
  BREAKING CHANGE if you have your own FontInterface implementation, it now must implement wrapText
• Drawer methods can now accept a thickness of zero (@mlocati)
• Fix drawing unfilled chords with GD driver (@mlocati)
• Fix thickness drawing of unfilled chords with Imagick and Gmagick drivers (@mlocati)
• Fix handling of radius in circle method implementations (@mlocati)
• The dissolve method of ColorInterface normalizes the final value of alpha (@mlocati)
  BREAKING CHANGE dissolve doesn't throw a Imagine\Exception\InvalidArgumentException anymore