message: Reduce the default max_wait_time to 3
diff: #define SW_WORKER_WAIT_TIMEOUT 1000
  #define SW_WORKER_USE_SIGNALFD 1
  -#define SW_WORKER_MAX_WAIT_TIME 30
  +#define SW_WORKER_MAX_WAIT_TIME 3
  #define SW_REACTOR_MAXEVENTS 4096
  #define SW_SESSION_LIST_SIZE (1*1024*1024)
  