rework Stage Object IDs

server/channelserver/sys_channel_server.go

@@ -47,6 +47,7 @@ type Server struct {
 	acceptConns    chan net.Conn
 	deleteConns    chan net.Conn
 	sessions       map[net.Conn]*Session
+	objectIDs      map[*Session]uint16
 	listener       net.Listener // Listener that is created when Server.Start is called.
 	isShuttingDown bool
 
@@ -152,6 +153,7 @@ func NewServer(config *Config) *Server {
 		acceptConns:     make(chan net.Conn),
 		deleteConns:     make(chan net.Conn),
 		sessions:        make(map[net.Conn]*Session),
+		objectIDs:       make(map[*Session]uint16),
 		stages:          make(map[string]*Stage),
 		userBinaryParts: make(map[userBinaryPartID][]byte),
 		semaphore:       make(map[string]*Semaphore),