Remove gratuitous hasOwnProperty wrapper. Unnecesary because we control all the properties added to each listener package and we wont be adding a property hasOwnProperty that will shadow Object.prototype.hasOwnProperty.
Remove gratuitous hasOwnProperty wrapper. Unnecesary because we control all the properties added to each listener package and we wont be adding a property hasOwnProperty that will shadow Object.prototype.hasOwnProperty.

petermichaux/evento