Gentler polling for older scales.
Hide 'no library mail' option per client request.
Don't allow uninvoiced sales to be shipped.
Only trigger packing list download for first package in order.
Fix scale error on reading of zero.
get_sale_order always returns an array.
Fix picking/packing typo.
Return postage remaining.
Add missing model registration.
Add UPS-required fields.
Get UPS quotes.
Fix sandbox settings choosing logic.
Fix picking/packing typo.
Update field values based on client feedback.
Add manual entry for customs commodity code.
Update customs data sent to backend.
Final fix of picking/packing misnaming error.