of method
Implementation
Namespace of(name, [fn]) {
if (name.toString()[0] != '/') {
name = '/' + name;
}
if (!nsps.containsKey(name)) {
var nsp = Namespace(this, name);
nsps[name] = nsp;
}
if (fn != null) nsps[name]!.on('connect', fn);
return nsps[name]!;
}