PayPal: Integrate billing for regular shop items.
PayPal: Express: Update transaction token and mark it as completed.
Shop: Checkout complete template: Include scripts.
Shop: Transaction list: Make UID column wider.
Shop: Transaction list: Increased width of list item.
Shop: Transaction details: Improve layout.
Shop: Transaction list: Shop buyer name instead of id.
Database: Item manager: Make conditionals optional when updating data.