function notifyHandlers(stack, isWindowError) {
	        var exception = null;
	        if (isWindowError && !TraceKit.collectWindowErrors) {
	          return;
	        }
	        for (var i in handlers) {
	            if (handlers.hasOwnProperty(i)) {
	                try {
	                    handlers[i].apply(null, [stack].concat(_slice.call(arguments, 2)));
	                } catch (inner) {
	                    exception = inner;
	                }
	            }
	        }

	        if (exception) {
	            throw exception;
	        }
	    }
Dispatch stack information to all handlers.
@param {Object.<string, *>} stack