Log Message:
Update tokyotyrant to 1.1.31.

Changes:
2009-07-09  Mikio Hirabayashi

	* tculog.c (tculogwrite, tculrdread): the master ID is now recorded.

	* ttserver.c (main): the default value of the "-ulim" option was modified.

	* ttserver.c (proc): update logging and replicaion are now forbidden without \ 
the SID.

	* ttserver.c (do_repl): the NOP command is now throwed while circular replication.

	- Release: 1.1.31