Merge pull request #2 from Symphosize/features/priority

adding priority sorting to the CronTask model

Author: Symphosize

Model/CronTask.php

@@ -132,6 +132,7 @@ public function requestJob($capabilities, $group = null) {
 				'timediff(NOW(),notbefore) AS age'
 			],
 			'order' => [
+				'priority ASC',
 				'age DESC',
 				'id ASC'
 			],