code: function Session(meta, actorId, language, key, clusterId, creationTime, version) {
  	this.meta = meta || undefined;
  	this.actorId = '' + actorId;
  	this.language = language;
  	this.key = key;
  	this.clusterId = clusterId;
  	this.creationTime = creationTime;
  	this.version = version;
  }
docs: Session class
  
  @param {Object} [meta]       Key/value meta data object to store with the session
  @param {string} actorId      An actor ID to associate with this session
  @param {string} language     The language of the user
  @param {string} key          The session key
  @param {string} clusterId    The clusterId associated with this session (for mmrp)
  @param {number} creationTime Time Unix timestamp of the creation time of this session
  @param {string} version      The game version at the time of registration
  @constructor