Improve docblock and typehint.

Signed-off-by: crynobone <crynobone@gmail.com>
Merge branch '2.1' into 2.2
Implement use Illuminate\Support\Arr

Signed-off-by: crynobone <crynobone@gmail.com>
Fixes copy and paste docblock.

Signed-off-by: crynobone <crynobone@gmail.com>
Merge branch '2.1' into 2.2

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

Conflicts:
	src/Support/Relic.php
`Orchestra\Support\Traits\QueryFilterTrait::setupBasicQueryFilter()` should allow filtering none `*_at` fields.

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