Log Message:
Update TokyoCabinet to 1.4.4.

Changes:
2009-01-29  Mikio Hirabayashi  <mikio@users.sourceforge.net>

	* tcutil.c (tcmapputproc, tctreeputproc, tcmdbputproc, tcndbputproc): new functions.

	* tchdb.c (tchdbputproc): new function.

	* tchdb.c (TDBTHREADYIELD): "sched_yield" is now used instead of \ 
"pthread_yield".

	* tcbdb.c (tcbdbputproc): new function.

	* tcbdb.c (tcbdbcurkey, tcbdbcurval): the type of the return value was modified.

	* tcfdb.c (tcfdbputproc): new function.

	* tcadb.c (tcadbputproc): new function.

	* tcadb.c (tcadbmisc): sub funcitons "put", "out", and \ 
"get" were added.

	* tcadb.c (tcstrisnum): new function.

	- Release: 1.4.4