code: function Light(constr) {
    this.client = constr.client;
    this.id = constr.id; // Used to target the light
    this.address = constr.address;
    this.port = constr.port;
    this.label = null;
    this.status = 'on';
  
    this.seenOnDiscovery = constr.seenOnDiscovery;
  }
docs: A representation of a light bulb
  @class
  @param {Obj} constr constructor object
  @param {Lifx/Client} constr.client the client the light belongs to
  @param {String} constr.id the id used to target the light
  @param {String} constr.address ip address of the light
  @param {Number} constr.port port of the light
  @param {Number} constr.seenOnDiscovery on which discovery the light was last seen