number improvements (lets hope we don't break anything)

anatomy/models.py

@@ -334,7 +334,7 @@ class Answer(models.Model):
         if self.answer:
             self.answer = self.answer.strip()
 
-            s = self.answer.lower()
+            s = " ".join(self.answer.lower().split())
             s = s.translate(str.maketrans("", "", string.punctuation))
 
             self.answer_compare = s

anatomy/templates/anatomy/exams.html

@@ -9,6 +9,7 @@
         <a href="{% url 'anatomy:mark_overview' pk=exam.pk %}">Mark</a> /
         <a href="{% url 'anatomy:exam_scores_all' pk=exam.pk %}">Scores</a> /
         <a href="{% url 'anatomy:exam_cids' exam_id=exam.pk %}">Candidates</a> /
+        <a href="{% url 'anatomy:exam_stats' exam_id=exam.pk %}">Stats</a> /
     {% endif %}
     <a href="{% url 'anatomy:anatomy_create_exam' pk=exam.pk %}">Add New Question</a>
 {% endblock %}