1.HelperBar add cache and delCache
2.rewrite clickClsMsg and mark it as *Deprecated*
3.HelperBar.prototype.getSettings() is now under safe mode, and with clone mode.
1.rewrite the .data()
1. add more case, and clean the test case according the api change.
2. redesign addmsg, so addmsg now is addmsg(msg,style,func), msg initially
has no any event. so user can set event inside the func
3. change msg api according addmsg api change.