Allow exact purchases

main/views/general.py

@@ -48,7 +48,7 @@ def register(request):
             if not order.is_external():
                 profile = order.customer.profile
                 # can she afford it?
-                if order_sum >= profile.balance:
+                if profile.balance < order_sum:
                     messages.error(request, '{0} {1} har ikke råd, mangler {2} kr.'.format(
                         order.customer.first_name,
                         order.customer.last_name,