Log message

Added  parameter to BurstDatabase::query (). When set to true, query will be
echoed before being executed. This will eventually be replaced by a more
flexible deugging mode.

	Modify	/trunk/database/common/database.class.interface.php	diff
	Modify	/trunk/database/mysql/mysql.class.php	diff
	Modify	/trunk/database/postgresql/postgresql.class.php	diff