14442 ----- Issue 5679: Removing a trait does not remove trait methods from class http://code.google.com/p/pharo/issues/detail?id=5679 Issue 5722: Be able to remove traits from class definition http://code.google.com/p/pharo/issues/detail?id=5722 Issue 5858: DateAndTime >>#hash http://code.google.com/p/pharo/issues/detail?id=5858