Revision history for Perl extension DBQuery.

0.06  Wed Dec 02 11:41:50 2009 
    - Replace perldoc DBQuery with pod document.
0.05  Tue Jul 07 10:19:28 2009
	- Repair and pass test.
0.04  Tue Jun 30 17:31:44 2009
	- modify the test case.
0.03  Mon Jun 29 16:53:04 2009
	- can miss out the arg: db_host, and optimize the test
0.02  Mon Jun 29 10:22:35 2009
	- modify name: DB to DBQuery.
0.01  Wed Jun 24 17:08:43 2009
	- original version created by cnangel.