jumperchen/zk — pull request #34 by leeyt (2012-06-22 05:00:52+00:00)
Title: Bug fixed: Throwing exception when removing collection

http://zkfiddle.org/sample/d0n3kr/4-user-model-to-move-item-to-another-listbox-Multiple-prob

Signed-off-by: Neil Lee

Please review. Thanks.