fix urlencode

git-svn-id: https://plugins.svn.wordpress.org/altruja/trunk@988357 b8457f37-d9ea-0310-8a92-e5e31aec5664
document 1.0.3

git-svn-id: https://plugins.svn.wordpress.org/altruja/trunk@988358 b8457f37-d9ea-0310-8a92-e5e31aec5664
update compatibility

git-svn-id: https://plugins.svn.wordpress.org/altruja/trunk@988362 b8457f37-d9ea-0310-8a92-e5e31aec5664