version number correction

git-svn-id: https://plugins.svn.wordpress.org/st-daily-tip/trunk@773058 b8457f37-d9ea-0310-8a92-e5e31aec5664
version 1.6 minor bug fixes

git-svn-id: https://plugins.svn.wordpress.org/st-daily-tip/trunk@773060 b8457f37-d9ea-0310-8a92-e5e31aec5664