fixed: getFromNested() method when some node is null

Author: Mehedi Hasan Nahid

src/Queriable.php

@@ -412,7 +412,7 @@ protected function getFromNested($map, $node)
             $path = explode($this->_traveler, $node);
 
             foreach ($path as $val) {
-                if (!is_array($val)) return $val;
+                if (!is_array($map)) return $map;
 
                 if (!array_key_exists($val, $map)) {
                     $terminate = true;

src/QueryEngine.php

@@ -323,7 +323,6 @@ public function get($column = [])
     {
         $this->setSelect($column);
         $this->prepare();
-
         return $this->prepareResult($this->_map);
     }