tie dom and object

##usage

tie(objectPoint ,"objectProperty" ,elementPoint ,"elementProperty" ,"directive");
tie(objectPoint ,"objectProperty" ,elementPoint ,"elementProperty" ,function directive(){});

##how

use Object.defineProperty(objectPoint ,"objectProperty") and Object.defineProperty(elementPoint ,"elementProperty") for watch.
element = elementPoint[elementProperty]
value = objectPoint[objectProperty]
if element or value change directive will be excute