WP-Lister 1.3.1 - updated readme

git-svn-id: https://plugins.svn.wordpress.org/wp-lister-for-ebay/trunk@795956 b8457f37-d9ea-0310-8a92-e5e31aec5664
WP-Lister 1.3.1 - fixed issue on products page

git-svn-id: https://plugins.svn.wordpress.org/wp-lister-for-ebay/trunk@795958 b8457f37-d9ea-0310-8a92-e5e31aec5664