Removed silly restriction on number of chars in a page URL

oscar/apps/dashboard/pages/forms.py

@@ -19,7 +19,7 @@ class PageUpdateForm(forms.ModelForm):
     and *content* field. The specified URL will be validated and check if
     the same URL already exists in the system.
     """
-    url = forms.CharField(max_length=20, required=False,
+    url = forms.CharField(max_length=128, required=False,
                           help_text="Example: '/about/contact/'. Make sure" + \
                                     " to have leading and trailing slashes.")