Version 5.0.0-Release Candidate

• The optimization information has been moved to a custom table, instead of the postmeta table, for performance reasons;
• Updated the look and feel of the whole settings and bulk processing pages;
• Added a Tools tab, where various actions can be performed, such as complete plugin uninstall, clear the processing queue, etc.
• Multiple wording updates, as well as tooltips added across the plugin, to clarify its functionalities;
• Improved error reporting when running the bulk processing, as well as for WP-CLI;
• Removed the sorting by optimization percentage, for performance reasons;
• Extended the Cloudflare integration to also work with Custom Media files (outside of the Media Library);
• Added the ID for Custom Media files, in order to make the debugging of potential errors easier;
• Added HTTP Auth constants, for easier definition directly in wp-config.php;
• Multiple fixes for various situations and integrations with other plugins, as well as stability and security improvements.