
History
-----------------

06  July 2000: 1.4
        * $DEBUG configuration parameter added to config.inc. If set to 1,
	  then all queries passed to SQL-backend are echoed.
	* Added create script for PostgreSQL and fixed some Postgres issues.
	  Thanx to Alex Barkov for helping with this.

05  July 2000: 1.3
        * Oracle strange bug workaround when empty strings treated as NULL.
	  Many thanx to Igor Suhih for help in fixing that.
	* Added create scripts for mysql and oracle backends
	* Config part of script moved to config.inc module
	* Changes in tree deletion routines. Now your current path in tree
	  does not changes after delete.

02  July 2000: 1.2
        * Added $fill configuration parameter. It specifies tree
        filling strategy:
            0 - new records always inserted at the end of tree (old behavior)
            1 - new records inserted in first empty slot (new optimal strategy) 

01  July 2000: 1.1
	* Oracle 7 and 8 support added. (Using SQ_caregories_id sequence).

10  June 2000: 1.0

	* First public release
