jasarien/JSTokenField — pull request #25 by yeahphil (2013-03-12 20:44:21+00:00)
Title: Fix a crash when removing tokens

- textField:shouldChangeCharactersInRange:replacementString: must check if
the delegate implements tokenField:shouldRemoveToken:representedObject:
before calling it

- if the method isn't implemented, the default should be to assume
tokens can be deleted.