Update 3.19.0

New: RSS Feed for products which can be imported to Google's Merchant Centre or Facebook's Marketing API.

New: Product.GoogleCategory can be set to the ID of one of Google's product categories. This value will be included in the product feed.

New: Toggler classes added to Message elements returned by the server. Add the base script to enable when clicked the message is closed.

Fix: When sending form details in an email to administrator using an invalid email address entered by the user.

Fix: When an error is returned from a submitted form (on the template), the controls returned empty.