Handle weird edge case with is_dir() on a partial path containing file extensions

				return $this->formatUrlStat(self::$client->headObject($parts)->toArray());

			} catch (NoSuchKeyException $e) {

				// Maybe this isn't an actual key, but a prefix. Do a prefix listing of objects to determine.

				/**

				 * Modification by Joe Hoyle

				 * 

				 * If there is an extension, we don't need to check if it's a dir. There is an issue with checking

				 * if it's a dir, as s3 doesn't have true directories. See https://forums.aws.amazon.com/thread.jspa?threadID=142985

				 * for a more in-depth example.

				 */

				if ( $extension ) {

					return $this->triggerError("File or directory not found: {$path}", $flags);

				}

				$result = self::$client->listObjects(array(

					'Bucket'  => $parts['Bucket'],

					'Prefix'  => $parts['Key'],