Log Message:
Update hyperestraier to 1.4.9.

Changes:
2006-11-03  Mikio Hirabayashi  <mikio@users.sourceforge.net>

	* estraier.c (est_doc_score): new function.

	* estraier.c (est_db_check_option): new function.

	* estraier.c (est_search_union): a bug related to scoring when ASIS mode was fixed.

	* estraier.c (est_db_score_doc): difference operator was added.

	* estcmd.c (procinform): display of known options was added.

	* estcmd.c (doputdoc): modification date of files became able to be recorded as \ 
score.

	* estseek.c (showresult): accuracy of "{hnum}" operator was improved.

	* estwaver.c (runinit, procinit): "-xs", "-xl", \ 
"-xh" options were added.

	- "set_score" and "score" methods were added to language \ 
bindings and node APIs.

	- Release: 1.4.9