Fixes the banned IP check not being applied when sending the HEAD request for is_cloudflare?. Also fixes the `#size` method not using the uncached url (which meant the bookmarklet could report the wrong filesize on artstation uploads).
Fixes the banned IP check not being applied when sending the HEAD request for is_cloudflare?. Also fixes the `#size` method not using the uncached url (which meant the bookmarklet could report the wrong filesize on artstation uploads).