- Some small bugfixes made

src/EntityCollection.php

@@ -4,7 +4,7 @@ namespace Ulmus;
 
 use Generator;
 
-class EntityCollection extends \ArrayObject {
+class EntityCollection extends \ArrayObject implements \JsonSerializable {
 
     public ? string $entityClass = null;
 
@@ -340,6 +340,11 @@ class EntityCollection extends \ArrayObject {
         return ( new $className() )->fromArray($dataset);
     }
 
+    public function jsonSerialize(): mixed
+    {
+        return $this->toArray();
+    }
+
     public function append($value) : void
     {
         if ( is_array($value) ) {