ERPLY Berlin Back Office version 5.3.13

When a bundle is sold, ERPLY now calculates components' prices more precisely and avoids the "Bundle markup" line when possible.
Fixed: Sales Order did not show correct quantity on hand in some cases.
Fixed: Prices and totals did not update on longer sales documents.
Fixed: clicking the "Save" button on Product Inventory card cleared product description fields.
Fixed: Documents opened from the "Product Information" window could not be saved in certain cases.
Fixed: Mouse cursor did not indicate that a column is sortable.
Fixed: Invoice net total and tax were reported incorrectly on invoice form.
Spanish translations updated.
Australian English translation: some remaining instances of "VAT" renamed to "GST".