Removed redundant echoes. 

git-svn-id: https://plugins.svn.wordpress.org/fetch-tweets/trunk@800120 b8457f37-d9ea-0310-8a92-e5e31aec5664
Changed the version to 1.3.3 from 1.3.3b.

git-svn-id: https://plugins.svn.wordpress.org/fetch-tweets/trunk@800121 b8457f37-d9ea-0310-8a92-e5e31aec5664
Added the date to the newest item in the change log.

git-svn-id: https://plugins.svn.wordpress.org/fetch-tweets/trunk@800122 b8457f37-d9ea-0310-8a92-e5e31aec5664