Revision history for Perl extension DBQuery.

1.20  Sun Dec 28 11:24:25 2014 
    - change compile method;
	- add some function.
1.10  Thu Jul 07 11:18:13 2011 
    - Add compatibility about oracle and mysql;
    - Update documents and examples.
1.00  Fri Apr 02 02:58:16 2010
    - Add function reconnect;
    - Add function autocommit;
    - Add function charset store.
0.08  Wed Mar 31 12:55:00 2010
    - Add Charset for connection.  
0.07  Thu Dec 03 11:00:35 2009
    - Add a method about reference of array;
    - Add pod document for method.
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.