ZKPOS Supermarket 5.4.0

Previous version:5.3.5.0
New version: 5.4.0.0

1. Bug fixing
2. User interface enfacements
3. Add E Invoice service to make the invoice submission in background
4. Add submit all confirmed orders in E invoice tickets
5. Remove ‘Allow dayclose without e invoice submission’
6. Add send order ticket
7. Add grouping option while selecting same product multiple times
8. Add option to enter customer credit limit in customer master
9. Insert unit column in searching option in POS
10. Insert cost and unit column in search option in stock receiving
11. Add link product option to see all products with same product id
12. Barcode copy option from link product tab
13. Add phase 2 registration in utility section