Usage:
events = new EventDelegation( "CSS selector" or HTML Element );
events.on("Event type", "CSS selector" or HTML Element, Callback);
events.off("Event type", "CSS selector" or HTML Element, Callback); Remove the callback from the list
events.off("CSS selector" or HTML Element) Remove all callbacks for one element
events.off("Event type", "CSS selector" or HTML Element) Remove all callbacks of that kind of event for one element
events.off(); Remove all callbacks for this instance