2006-08-14 IKEBE Tomohiro <ikebe@shebang.jp> * added password41() to @EXPORT_OK list. * support MySQL 4.1's PASSWORD() function. * allow the string which contain Null characters. Apply the patch from Zefram. 2004-02-24 IKEBE Tomohiro <ikebe@shebang.jp> * fixed array overrun problem. 2003-04-24 IKEBE Tomohiro <ikebe@shebang.jp> * original version