Block a user
Order: Add to new invoice-button on form edit page
Search and sort invoices by prices
Customer Report Side Panel
Add Total column to Invoice/Invoice Reports tables
Change Invoices GST column to GST/HST
Change Invoice code to TN4xxx
Create invoices by sorting for 'ready for invoicing' status
Add check number, date, amount to invoices
Add big fat obvious PAID to invoice when paid