1.0.2-Beta Revised

Fixed element event object forwarding
Fixed element cannot rebind the same event
Fixed mouse event trigger was not fire
Fixed cannot bind more events to one element
Fixed unbind all event will remove element default event
Fixed .parents() not working in CSS selector
Fixed event forward not working properly in IE8
Added 'version' in jet for determine
Added new event function 'mouseUp' in jObject
Added new event function 'mouseDown' in jObject
Added new event function 'mouseMove' in jObject
Added new function 'dragDrop', support IE8+