That's why a conflict occurs when a class has two functions with the same name.

+ Dynamic factory method was removed (improves static code analysis)
+ One file instead of several: Class/DataArr/Students.php, Model/Admin/Students.php and Model/DataArr/Students.php

If you try to search something not existing in the list of subjects, then you will get an "No matches found" message. Some people don't know english, so i added russian localization. But it should be translated soon.

The cross sign and an ability to drop the selected item are restored.

Improves usability.