Update Woopra PHP SDK

git-svn-id: https://plugins.svn.wordpress.org/woopra/trunk@802854 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fix versions

git-svn-id: https://plugins.svn.wordpress.org/woopra/trunk@802857 b8457f37-d9ea-0310-8a92-e5e31aec5664
Update fixing bug and replacing subdomain with track as

git-svn-id: https://plugins.svn.wordpress.org/woopra/trunk@803198 b8457f37-d9ea-0310-8a92-e5e31aec5664