Update docblock and reduce lowest support version to 4.1
Add configuration option.

Signed-off-by: crynobone <crynobone@gmail.com>
Improve testcase.

Signed-off-by: crynobone <crynobone@gmail.com>
Remove setRating.

Signed-off-by: crynobone <crynobone@gmail.com>
Remove docblock.

Signed-off-by: crynobone <crynobone@gmail.com>
Update deps for 2.2

Signed-off-by: crynobone <crynobone@gmail.com>