* 0.3.0

* Make compatible with Ruby 1.9 [Chris Mowforth]
* Add SvgOutputter for outputting SVGs without dependencies [Peter H. Li]

* 0.2.1

* Allow QR Codes with sizes up to 40

* 0.2.0

* Added support for 2D barcodes
* Updated all outputters to support 2D barcodes
* Added support for QR Code

* 0.1.2

* Added CairoOutputter [Kouhei Sutou]

* 0.1.1

* Added PngOutputter that uses "png" gem
