put the icon proof sheet on a dingy yellow background, instead of bright white
changed the XmlUtils.write methods to operate on org.w3c.dom.Node instead of .svg.SVGDocument
added a 'create' method for making new SVGDocument instances
converted to use SVGGraphics2D to generate the text-based icons, instead of snippets/templates in the descriptor file, so that Batik can convert the text to outline
changed to only bold single-digit icons
added phyrexian mana support, and fixed the icon colors