code optimized

git-svn-id: https://plugins.svn.wordpress.org/feedly-insight/trunk@871709 b8457f37-d9ea-0310-8a92-e5e31aec5664
code optimized

git-svn-id: https://plugins.svn.wordpress.org/feedly-insight/trunk@871711 b8457f37-d9ea-0310-8a92-e5e31aec5664
bump 0.9.6

git-svn-id: https://plugins.svn.wordpress.org/feedly-insight/trunk@871712 b8457f37-d9ea-0310-8a92-e5e31aec5664