update 0.9.1

git-svn-id: https://plugins.svn.wordpress.org/woocommerce-for-gmo-epsilon-multi-currency-credit-card/trunk@1039276 b8457f37-d9ea-0310-8a92-e5e31aec5664
add new php file

git-svn-id: https://plugins.svn.wordpress.org/woocommerce-for-gmo-epsilon-multi-currency-credit-card/trunk@1039277 b8457f37-d9ea-0310-8a92-e5e31aec5664