- Work done on many-to-many relations - code must still be refactored out of the EntityTrait.

- Fixed Entity::field("propertyname") function to look for name into @Field() annotation and returns it if it exists.
- A lot of bug fixes made into SQL fragments.

src/Query/GroupBy.php

@@ -3,6 +3,9 @@
 namespace Ulmus\Query;
 
 class GroupBy extends Fragment {
+    
+    const SQL_TOKEN = "GROUP BY";
+    
     public int $order = 70;
 
     public array $groupBy = [];
@@ -22,7 +25,7 @@ class GroupBy extends Fragment {
     public function render() : string
     {
         return $this->renderSegments([
-            'GROUP BY', implode(", ", $this->groupBy)
+            static::SQL_TOKEN, implode(", ", $this->groupBy)
         ]);
     }