okay adding/removing authors is functional, ordering of it is NQR, also moved to bookstrap margin/padding classes where it worked

main.py

@@ -200,7 +200,7 @@ def AddSubs(books):
     for row in subs:
        index = next((i for i, item in enumerate(books) if item.id == row.sub_book_id), -1)
        if index == -1:
-	       continue
+           continue
        books[index].parent_id = row.book_id
        books[index].sub_book_num = row.sub_book_num
 
@@ -361,15 +361,14 @@ def book(id):
                 if "genre-{}".format(genre.id) in request.form:
                     book.genre.append( genre )
             # set book author (empty list, in form they are in author-0, author-1, ... author-n)
-            # so use while to find them all and append them back to now empty list
-            acnt=0
+            # so use find them all and append them back to now empty list
             book.author=[]
-            while "author-{}".format( acnt ) in request.form:
-                book.author.append( Author.query.get( request.form["author-{}".format( acnt )] ) )
-                acnt = acnt + 1
+            for el in request.form:
+                if 'author-' in el:
+                   book.author.append( Author.query.get( request.form[el] ) )
 
             ## TODO:
-            # what about add/remove author, series?, subbooks?, loan?, etc.
+            # what about series?, subbooks?, loan?, etc.
             db.session.commit()
             message="Successfully Updated Book (id={})".format(id)
         else: