add getQueueLength and getChildsCount

Author: skrtdev

src/Pool.php

@@ -202,11 +202,21 @@ public function hasQueue(): bool
         return !empty($this->queue);
     }
 
+    public function getQueueLength(): int
+    {
+        return count($this->queue);
+    }
+
     public function hasChilds(): bool
     {
         return !empty($this->childs);
     }
 
+    public function getChildsCount(): int
+    {
+        return count($this->childs);
+    }
+
     public function waitQueue(): void
     {
         while($this->hasQueue()){