Points noted. The idea was to keep this thing completely simple. Per instance struct gives a complexity to carried out the instance when it is needed. so by usi

Points noted. The idea was to keep this thing completely simple. Per instance struct gives a complexity to carried out the instance when it is needed. so by using global this kept simple. same goes for the "Adding multiple listeners to one event enhancement". multiple listener means multiple call params. the authors couldn't desided how this will be handled. hope those features will be added real soon.