1.2.13

git-svn-id: https://plugins.svn.wordpress.org/woocommerce-pdf-invoices-packing-slips/trunk@879028 b8457f37-d9ea-0310-8a92-e5e31aec5664
1.2.13 readme

git-svn-id: https://plugins.svn.wordpress.org/woocommerce-pdf-invoices-packing-slips/trunk@879029 b8457f37-d9ea-0310-8a92-e5e31aec5664