Updated Webhose chapter to add additional exercise
Updated Webhose chapter to add additional exercise

leifos/tango_with_django_19,jxltom/tango_with_django_19,leifos/tango_with_django_19,leifos/tango_with_django_19,jxltom/tango_with_django_19,jxltom/tango_with_django_19