code: function NWTEventInstance (e, attrs) {
  	this._e = e;
  	this.target = new NWTNodeInstance(e.target);
  
  	for (var i in attrs) {
  		this[i] = attrs[i];
  	}
  }
docs: NWTEventInstance Class
  Event object wrapper
  @param event Event object
  @param object (Optional) attributes to populate the event object with
  @constructor