fixed BUG-48 - sub book add/rem -- it was because QuickParentBook used an array and the code had been half converted to just use an object. Fixed to all be an object/dict now and its working again

templates/book.html

@@ -426,7 +426,7 @@ function AddAuthorToBook(num) {
 			{% else %}
 			<div class="form-row">
 			{% endif %}
-			{% if b.parent %}
+			{% if not b.parent %}
 				<form role="form" class="form" action="{{url_for('new_book')}}" method="POST">
 					<input type="hidden" name="add_sub_parent_id" value="{{books.id}}">
 					{{ book_form.add_sub( class="btn btn-outline-success offset-2 col-2" )}}