0.06000 2007-03-27
	- POD oops
	- digest_auto oops
0.05000 2007-03-27
	- Local copy of args in ->update unnecessary
	- Added test for Marc's patch
	- Add digest_check_method functionality

0.04000	2007-03-05
	- Patch by Marc Mims to fix ->update bug

0.03000	2007-01-23
	- Added dirty option
	- Added dirty POD
	- Added dirty test
	- Moved digest column to _digest_column_values

0.02000	2006-06-04
	- fixed digestcolumns()
	- documentation alterations

0.01000	2006-06-04
	- Added digestcolumns()
	- Documentation fixes
	
0.00001	2006-06-04
	- Initial release