Added support for including post payment actions (like delaying feed processing until payment is collected) based on child feeds.
Added gpnf_should_load_child_entries_from_session filter to allow disabling loading child entries from the session. This will be used by Advanced Save & Continue to prevent drafts from inheriting child entries from other drafts.
Improved reliability of skipping initialization of Nested Form fields on pages that are hidden in forms with conditional logic
