Fixed a bug that an undefined index typenow warning occurred when a third-party script peforms a custom database query with the WP_Query class in the edit.php admin page.

git-svn-id: https://plugins.svn.wordpress.org/fetch-tweets/trunk@790492 b8457f37-d9ea-0310-8a92-e5e31aec5664
* Fixed a bug that a fatal error occurred in the background, Fatal error:  Call to a member function decode() on a non-object.

git-svn-id: https://plugins.svn.wordpress.org/fetch-tweets/trunk@795312 b8457f37-d9ea-0310-8a92-e5e31aec5664