clear code error

git-svn-id: https://plugins.svn.wordpress.org/timespan/trunk@1003426 b8457f37-d9ea-0310-8a92-e5e31aec5664
version number

git-svn-id: https://plugins.svn.wordpress.org/timespan/trunk@1003427 b8457f37-d9ea-0310-8a92-e5e31aec5664