Convert image v3.4 changes: Added support for $config['http']['proxy'] in order to allow hiding IP address.
Convert image v3.3 changes: Code refactoring update.
Convert image v3.2 changes: No longer requires a specific image handler. File system operations now using XenForo file functions.
Convert image v3.0 changes: Using XF HTTP client for requests. Now bypasses animated GIF's with over 100 frames.
Convert image v2.9 changes: Added error message if allow_url_fopen is not enabled.
Convert image v2.8 changes: Fixed function that deletes temporary files if option is selected.
Convert image v2.7 changes: Now using improved code to download hot linked images.
Convert image v2.3 changes: Added the option to compress JPG images.
Convert image v2.1 changes: Added code to prevent very large animated GIFs from timing out during thumbnail creation.
Convert image v2.0 changes: Fixed issue where getimagesize would throw an error on some servers.
