Couple more gcc warnings killed, fixed a bug within protocol.c, and added initial colour detections based on protocol findings.

src/class.c

@@ -1456,8 +1456,6 @@ void do_start(struct char_data *ch)
   GET_COND(ch, HUNGER) = 24;
   GET_COND(ch, DRUNK) = 0;
 
-  SET_BIT_AR(PRF_FLAGS(ch), PRF_AUTOEXIT);
-
   if (CONFIG_SITEOK_ALL)
     SET_BIT_AR(PLR_FLAGS(ch), PLR_SITEOK);
 }