v1.9.0

• Fix transparent PNG embedding bug (thanks @soadzoor!):
  • #502
  • #473
  • #483
• Add blendMode option to all PDFPage drawing methods (thanks @bockoblur!):
  • #503
  • #500
• Add dashArray, dashPhase, borderDashArray, and borderDashPhase options to PDFPage drawing methods to allow control of dashes borders and lines (thanks @soadzoor!):
  • #498
• Add borderLineCap option to PDFPage drawing methods (thanks @soadzoor!):
  • #499