Added the ability for users to specify "fallback bundles" in the
product_bundle field using a comma delimited list.
Exceeding quota when attempting to download will now return with a 403 status code, not 429
Authentication should now be properly honored/required on all asset type and item type endpoints, e.g.
This is a minor release.
Notification emails were previously being sent in text/plain format only. They will now be sent in multipart/alternative and include both plaintext and HTML formatting. The original plaintext version of the email is formatted exactly as it was prior to this change.