Barcodes-on-the-fly helper-0.2

Ben writes: "Barcodes-on-the-fly helper 0.2, a web-based program which generates printable CODABAR barcodes, has just been released. This is a new project and has undergone only the briefest testing (I've only spent a few hours on the whole project). Please test it on your automation system and tell me what doesn't work yet."