Merge branch 'stable'

src/utils/ReversePriorityQueue.php

@@ -25,7 +25,14 @@ namespace pocketmine\utils;
 
 class ReversePriorityQueue extends \SplPriorityQueue{
 
+	/**
+	 * @param mixed $priority1
+	 * @param mixed $priority2
+	 *
+	 * @return int
+	 */
 	public function compare($priority1, $priority2){
+		//TODO: this will crash if non-numeric priorities are used
 		return (int) -($priority1 - $priority2);
 	}
 }