Merge branch 'devel' into 'master'

Fix issue #17

Closes #17

See merge request oliver/ivatar!72

ivatar/views.py

@@ -54,7 +54,12 @@ class AvatarImageView(TemplateView):
             sizetemp = request.GET['size']
         if sizetemp:
             if sizetemp != '' and sizetemp is not None and sizetemp != '0':
+                try:
                     size = int(sizetemp)
+                # Should we receive something we cannot convert to int, leave
+                # the user with the default value of 80
+                except ValueError:
+                    pass
 
         if size > int(AVATAR_MAX_SIZE):
             size = int(AVATAR_MAX_SIZE)