Reinstate set_last_comment for use in the unit tests.


git-svn-id: https://plugins.svn.wordpress.org/akismet/trunk@887234 b8457f37-d9ea-0310-8a92-e5e31aec5664
A more accurate version number that will also pass the unit test for checking that the version number is correct.


git-svn-id: https://plugins.svn.wordpress.org/akismet/trunk@887236 b8457f37-d9ea-0310-8a92-e5e31aec5664