fix pagination v1.3.1

git-svn-id: https://plugins.svn.wordpress.org/gsearch-plus/trunk@803917 b8457f37-d9ea-0310-8a92-e5e31aec5664
posts per page option on v1.3.1

git-svn-id: https://plugins.svn.wordpress.org/gsearch-plus/trunk@803920 b8457f37-d9ea-0310-8a92-e5e31aec5664
debug off 1.3.1

git-svn-id: https://plugins.svn.wordpress.org/gsearch-plus/trunk@804116 b8457f37-d9ea-0310-8a92-e5e31aec5664