Changed default of urlencode parameter in Dataface_Record::display() to true.  Since, in this case, it is always returning a URL it seems that this should always be encoded.  Not sure why I even made this an option before.  This is to fix an issue described here:
https://groups.google.com/d/msg/xataface/4HCN0XPtKoU/ztcvCx62VR8J