Good catch 
I agree that the command should return a copy of the list.
Cheers,
Thorben
edit: A related bug would be that if you call the command twice, you will have two assignee entries in the list.
Good catch 
I agree that the command should return a copy of the list.
Cheers,
Thorben
edit: A related bug would be that if you call the command twice, you will have two assignee entries in the list.