update readme

git-svn-id: https://plugins.svn.wordpress.org/filter-custom-fields-taxonomies-light/trunk@989421 b8457f37-d9ea-0310-8a92-e5e31aec5664
readme v1.01

git-svn-id: https://plugins.svn.wordpress.org/filter-custom-fields-taxonomies-light/trunk@989422 b8457f37-d9ea-0310-8a92-e5e31aec5664