version 0.5.8

git-svn-id: https://plugins.svn.wordpress.org/yet-another-stars-rating/trunk@998498 b8457f37-d9ea-0310-8a92-e5e31aec5664
version 0.5.8 fix

git-svn-id: https://plugins.svn.wordpress.org/yet-another-stars-rating/trunk@998501 b8457f37-d9ea-0310-8a92-e5e31aec5664