3.1.0

• Update our CI matrix to include recent versions of Prawn and Ruby! Thanks @petergoldstein! (#55)
• Resolve a few code smells that were flagged by Rubocop.
• Material Design Icons are now supported! Currently version 7.0.96 is included. Thanks @maneex! (#59)
• Memoize calls to Prawn::Icon::FontData#path to improve performance.

Material Design Icons

All Material Design Icons use the font prefix of mdi. That means that you're able to reference an icon as follows:

require 'prawn/icon'

Prawn::Document.generate('icons.pdf') do |pdf|
  pdf.icon 'mdi-beer', size: 60
end