Fix customer_id error when moving between test and live mode

git-svn-id: https://plugins.svn.wordpress.org/wpf-woocommerce/trunk@1007071 b8457f37-d9ea-0310-8a92-e5e31aec5664
bump version number

git-svn-id: https://plugins.svn.wordpress.org/wpf-woocommerce/trunk@1007072 b8457f37-d9ea-0310-8a92-e5e31aec5664