fixed BUG-4 (books only showing 1 author)

templates/books.html

@@ -4,7 +4,7 @@
 <h3>All Books</h1>
 	<table id="book_table" class="table table-striped table-sm" data-toolbar="#toolbar" data-search="true">
 	  <thead>
-	  <tr class="thead-light"><th>Title</th><th>Author</th><th>Publisher</th><th>Condition</th><th>Owned</th><th>Covertype</th></tr>
+	  <tr class="thead-light"><th>Title</th><th>Author(s)</th><th>Publisher</th><th>Condition</th><th>Owned</th><th>Covertype</th></tr>
 	  </thead>
 	  <tbody>
       {% for book in books %}
@@ -14,7 +14,11 @@
 		  {% else %}
 		  	<td data-sort="{{book.id}}"><a href="/book/{{book.id}}">{{book.title}}</a></td>
 		  {% endif %}
-		  <td>{{ book.author[0]['surname'] }}, {{book.author[0]['firstnames']}}</td>
+		  <td>
+		  {% for auth in book.author %}
+			  {{ auth['surname'] }}, {{auth['firstnames']}}
+		  {% endfor %}
+		  </td>
 		  <td>{{ GetPublisherById(book.publisher)}}</td>
 		  <td align="center">
 		  	{% set cond = GetConditionById(book.condition) %}