       clientId      : String
       clientIP      : String
       username      : String
-      guestId       : Number
-      terminalId    : String
       sessionBegan  :
         type        : Date
         default     : -> new Date

      return callback err  if err
      return callback null, session

  @fetchSession = (clientId, callback)->

    return @createSession callback  unless clientId

      else
        @createSession callback


  @updateClientIP = (clientId, ipAddress, callback)->

    unless ipAddress
