New improved version

Project link: https://github.com/DirkJanJansen/Sales/

Features:

Buttonpages changeable from 1 until 8 pages with 23 buttons per page.

Productbuttons as administrator clickable for text and color change.

Extended system for purchasing and deliveries with invoices module.

Imports with csv format files.

Barcodes inserts for new products in own range generated and in commercial range by barcode scan.