test for no hitCount tag in answer

git-svn-id: svn://oss.dbc.dk/sync_php/php/OpenLibrary/OpenFormat/trunk@60264 30e9dc4a-7611-4fbc-83ba-eecf79b76bd0
response updated

git-svn-id: svn://oss.dbc.dk/sync_php/php/OpenLibrary/OpenFormat/trunk@60279 30e9dc4a-7611-4fbc-83ba-eecf79b76bd0
response updated

git-svn-id: svn://oss.dbc.dk/sync_php/php/OpenLibrary/OpenFormat/trunk@60280 30e9dc4a-7611-4fbc-83ba-eecf79b76bd0
responses updated

git-svn-id: svn://oss.dbc.dk/sync_php/php/OpenLibrary/OpenFormat/trunk@60298 30e9dc4a-7611-4fbc-83ba-eecf79b76bd0
responses updated

git-svn-id: svn://oss.dbc.dk/sync_php/php/OpenLibrary/OpenFormat/trunk@60299 30e9dc4a-7611-4fbc-83ba-eecf79b76bd0
responses updated

git-svn-id: svn://oss.dbc.dk/sync_php/php/OpenLibrary/OpenFormat/trunk@60300 30e9dc4a-7611-4fbc-83ba-eecf79b76bd0