更新一些信息

git-svn-id: https://plugins.svn.wordpress.org/wp2pcs/trunk@860660 b8457f37-d9ea-0310-8a92-e5e31aec5664
修复 Warning: implode(): Invalid arguments passed in /网站根目录/wp-content/plugins/wp2pcs/wp-backup-to-baidu-pcs.php on line 380

git-svn-id: https://plugins.svn.wordpress.org/wp2pcs/trunk@860944 b8457f37-d9ea-0310-8a92-e5e31aec5664