Implementation of Many-to-many relationship for Yii 2 framework
Fixed #16: PHP 7.2 compatibility
Fixed #11: Update relations only when editableAttribute was filled
Fixed #9: Relations get deleted when current route is not in filling route array Closed #10: Add tests Closed #8: Add getting added and deleted primary keys feature Fixed #4: Enhance documentation for User::getList() Fixed #3: Fix exception in test environment
Basic functionality