Use array_get()

Signed-off-by: crynobone <crynobone@gmail.com>
Merge branch '2.1' into 2.2
Use Arr::get().

Signed-off-by: crynobone <crynobone@gmail.com>
Merge branch '2.2'

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

Conflicts:
	src/Html/Form/Control.php