[prodigy]

Uhm, well if I know correctly the meaning of "extend_map" plugin.. yes it is.

It is mainly like those plugins with some extra features:
http://forums.alliedmods.net/showthread.php?p=24826
http://forums.alliedmods.net/showthread.php?t=21870

It sets mp_timelimit to 0 amx_tle_catchat seconds before mapchange and waits for the round to end. But with some more features than just simply that.