Gravity Perks - Nested Forms 1.1.57

- Fixed additional issues related to missing modal close button caused by other themes/plugins.
- Added 'gpnf_jquery_ui_dependencies' filter to allow 3rd parties to add their own dependencies for jQuery UI.

1.0-beta-4.19

• Fixed issue with :sum calc modifier where one or more child entries did not contain a value for the target field ID.

1.0-beta-4.18

• Added support for GF Zapier.

1.0-beta-4.17

• Updated to use minimum_requirements() method for declaring minimum requirements.

Added 'gpnf_entry_url' filter to allow filtering the entry URL when linking to child entries.
Fixed issue with :sum calculation modifier when target field ID was not present in child entry.