Make searching on for sale a bit more robust

git-svn-id: https://plugins.svn.wordpress.org/pararius-office/trunk@1017318 b8457f37-d9ea-0310-8a92-e5e31aec5664
Version 1.0.13

git-svn-id: https://plugins.svn.wordpress.org/pararius-office/trunk@1017321 b8457f37-d9ea-0310-8a92-e5e31aec5664