Updated Readme.txt


git-svn-id: https://plugins.svn.wordpress.org/listsaver/trunk@922057 b8457f37-d9ea-0310-8a92-e5e31aec5664
updated readme.txt

git-svn-id: https://plugins.svn.wordpress.org/listsaver/trunk@922058 b8457f37-d9ea-0310-8a92-e5e31aec5664