added rankphrase, rankterm and sort. All as hidden registers


git-svn-id: svn://oss.beweb.dbc.dk/sync_php/php/OpenLibrary/OpenSearch/trunk@78032 30e9dc4a-7611-4fbc-83ba-eecf79b76bd0
new operation getInfo


git-svn-id: svn://oss.beweb.dbc.dk/sync_php/php/OpenLibrary/OpenSearch/trunk@78038 30e9dc4a-7611-4fbc-83ba-eecf79b76bd0
new operation getInfo


git-svn-id: svn://oss.beweb.dbc.dk/sync_php/php/OpenLibrary/OpenSearch/trunk@78039 30e9dc4a-7611-4fbc-83ba-eecf79b76bd0
git-svn-id: svn://oss.beweb.dbc.dk/sync_php/php/OpenLibrary/OpenSearch/trunk@78040 30e9dc4a-7611-4fbc-83ba-eecf79b76bd0
git-svn-id: svn://oss.beweb.dbc.dk/sync_php/php/OpenLibrary/OpenSearch/trunk@78041 30e9dc4a-7611-4fbc-83ba-eecf79b76bd0