Add some verbosity to the SPF testing output

This change causes the SPF library we are using to output (to standard
out) any additional SPF records that are looked up in the course of
validating the one corresponding to the being tested.  This
information is occasionally useful when debugging BOD 18-01 scanning
issues.

trustymail/trustymail.py

@@ -201,9 +201,13 @@ def check_spf_record(record_text, expected_result, domain, strict=2):
         # I'm actually temporarily using an IP that virginia.edu resolves to
         # until we resolve why Google DNS does not return the same PTR records
         # as the CAL DNS does for 64.69.57.18.
+        #
+        # Passing verbose=True causes the SPF library being used to
+        # print out the SPF records encountered as include and
+        # redirect cause other SPF records to be looked up.
         query = spf.query('128.143.22.36',
                           'email_wizard@' + domain.domain_name,
-                          domain.domain_name, strict=strict)
+                          domain.domain_name, strict=strict, verbose=True)
         response = query.check(spf=record_text)
 
         response_type = response[0]