Provide Versioning, Preview and Rollback ability on Pages and Posts.
1.0 - 2008-03-16: Initial release
1.1 - 2008-03-21: Fixed slight error in INSERT SQL for the new Revision. Also fixed escape on inserted content.
1.1b- 2008-04-04: Changed the 'post_status' value on the saved revision to 'inherit' as this was causing problems with some other plugins.
1.1c- 2008-04-17: Added notation to indication current version.
1.2 - 2008-04-18: Changes to Admin display section to make things work under WP 2.5
1.8 - 2008-05-04: changes to enhance WP 2.5 design integration. Added ability to delete revisions, set a no revision 'minor-edit' option, set a no revisions for life checkbox. Display on last 5 revisions with link to reveal more.
1.8.3 - 2008-05-23: Minor changes to display. Added link to reload most current version of content.