- Work done on insert() and update() function from QueryBuilder.

- Fixed save() and saveAll() from repository
- QueryBuilder can now be flushed after queries.

src/EntityCollection.php

@@ -18,6 +18,17 @@ class EntityCollection extends \ArrayObject {
             }
         }
     }
+        
+    public function filtersCollection(Callable $callback) : self
+    {
+        $collection = new static();
+        
+        foreach($this->filters($callback) as $item) {
+            $collection->append($item);
+        }
+        
+        return $collection;
+    }
     
     public function searchOne($value, string $field) : object 
     {
@@ -53,4 +64,4 @@ class EntityCollection extends \ArrayObject {
         
         return $list;
     }
-}
+}