Object.defineProperty(Object.prototype, "spawn", {value: function (props) {
  var defs = {}, key;
  for (key in props) {
    if (props.hasOwnProperty(key)) {
      defs[key] = {value: props[key], enumerable: true};
    }
  }
  var o = Object.create(this, defs);
  o.initialize && o.initialize();
  return o;
}});

Object.defineProperty(Object.prototype, "extend", {
    enumerable: false,
    value: function(from) {
        var props = Object.getOwnPropertyNames(from);
        var dest = this;
        props.forEach(function(name) {
            if (name in dest) {
                var destination = Object.getOwnPropertyDescriptor(from, name);
                Object.defineProperty(dest, name, destination);
            }
        });
        return this;
    }
});