Update new version 1.01

git-svn-id: https://plugins.svn.wordpress.org/paypal-payments-shortcode/trunk@927652 b8457f37-d9ea-0310-8a92-e5e31aec5664
Cập nhật readme.txt

git-svn-id: https://plugins.svn.wordpress.org/paypal-payments-shortcode/trunk@927655 b8457f37-d9ea-0310-8a92-e5e31aec5664