1.19.0

• Membership row shortcode, if the optional renewal_url parameter is not provided, then do not output the renewal link at all; change from isset to empty for some variable checks
• Self serve checksum shortcode, only generate a checksum for Individual contacts, exclude Organisation and Household contacts; minor code clean-up; santise email input
• Membership shortcode should display all memberships and selectively display renewal links
• Convert endDate to correct parameter type, timestamp
• Rename file shortcodes/membership/membership-row.php - consistency
• Minor code refactor and update shortcode-self-serve-checksum template part
• Prevent double verification of turnstile on page reload after form submission
• Remove check for form submission when cid and cs are given