fix DocumentSection::getUrl() for section nodes
fix DocumentSection::getUrl() for section nodes

yitznewton/emeraldview,yitznewton/emeraldview-tidhar,yitznewton/emeraldview,yitznewton/emeraldview-tidhar,yitznewton/emeraldview-tidhar,yitznewton/emeraldview,yitznewton/emeraldview,yitznewton/emeraldview-tidhar