I am using Cloudfiles and have attempted to setup the plugin to use my account. I am getting the "Details aren't valid" message upon clicking the "Check Details" button and "Fatal error: Call to a member function create_object() on a non-object in /xxxx/wordpress/wp-content/plugins/cdn-sync-tool/lib/Cdn/Cf.php on line 76" upon attempt to sync files. It looks like the plugin can not talk to CF system. Maybe a dependency is not met or something else is wrong, but I've searched everywhere for clues and can't find any. Would it be possible to expose some extended data for troubleshooting?
Also, in the "CDN Provider" area "Container" input has seems like an incorrect hint message, possibly resulted from copy-and-paste of the "Username" input php code.