fix custom api exceptions for php version 5.2 and 5.1


git-svn-id: https://plugins.svn.wordpress.org/productwidgets/trunk@1031148 b8457f37-d9ea-0310-8a92-e5e31aec5664
load widgets with current protocol


git-svn-id: https://plugins.svn.wordpress.org/productwidgets/trunk@1031149 b8457f37-d9ea-0310-8a92-e5e31aec5664