update to 1.03. fixed URL timeout problem.

git-svn-id: https://plugins.svn.wordpress.org/wechat-subscribers-lite/trunk@873589 b8457f37-d9ea-0310-8a92-e5e31aec5664
update to 1.03. change read me.

git-svn-id: https://plugins.svn.wordpress.org/wechat-subscribers-lite/trunk@873590 b8457f37-d9ea-0310-8a92-e5e31aec5664