[panxiaohai]

If a player join game a bot will create and respawn for him automatically.
If a bot die it will be kicked.

"l4d_bot_max", "13", "max bots");
"l4d_bot_min", "4", "min bots");
"l4d_bot_teleport", "0", "teleport the new bot to a palyer");
"l4d_bot_bot_die", "1", "kick bot if he die");
"l4d_bot_kick_player_leave", "0", "kick the bot if player leave");

Put l4dsb.txt, respawn.txt in gamedata folder.