v4.0.1.599-alpha

v4.0.1.599 -alpha (21/5/2021):

Fixes

• some fixes on the process sale screen
• some fixes on the stock screen
• dashboard layout
• fixes on the product & stock pages
• debt page, receipt page, customer request page, sale history, statistics page, customer request
• clear session on logout
• save app state
• other improvement
• category deletion

Updates

• expiration date to be nullable on product

Added

• product & category options in settings
• administrator confirmation dialog
• expenditure chart
• debt clearance
• show current profit on process sale screen