print details of attestation message (for debug and analysis)

member.c

@@ -213,6 +213,9 @@ int member_attest(char *buffer) {
 
     ecdaa_signature_FP256BN_serialize(binbuf, &sig, has_nym);
     ecdaa_bintohex(binbuf, sig_len, current);
+    printf("member_attest: msg: %s, len: %lu\n",msg, msg_len);
+    printf("member_attest: bsn: %s, len: %lu\n",(char *)member.bsn, strlen((char *)member.bsn));
+    printf("member_attest: sig: %s\n",current);
     current[2 * sig_len] = '\n';
     return 0;
 }