minor bug fix

git-svn-id: https://plugins.svn.wordpress.org/eelv-newsletter/trunk@785860 b8457f37-d9ea-0310-8a92-e5e31aec5664
edit readme

git-svn-id: https://plugins.svn.wordpress.org/eelv-newsletter/trunk@788232 b8457f37-d9ea-0310-8a92-e5e31aec5664
v 3.5.9 bug fixes

git-svn-id: https://plugins.svn.wordpress.org/eelv-newsletter/trunk@791765 b8457f37-d9ea-0310-8a92-e5e31aec5664