ProfileCache: Include type in checksum calculation

The goal here is to eventually be able to recompute a checksum for the whole profile to verify integrity,
but the current checksums don't include type allowing that to be altered or corrupted without being detected.

N.B. \x1e is the record separator character, used here to delimit the value and type.

src/main/perl/Fetch/ProfileCache.pm

@@ -411,7 +411,7 @@ sub ComputeChecksum
         unless (defined $value) {
             return md5_hex("_<undef>_");
         }
-        return md5_hex(encode_utf8($value));
+        return md5_hex(encode_utf8("$value\x1e$type"));
     }
 }
 

src/test/perl/cli.t

@@ -79,10 +79,10 @@ like($txt,
      "dumpdb output path2eid");
 # \0 separated list of subpaths
 like($txt,
-     qr{eid2data:\n0 => a\0c\0e\n10000000 => nlist\n20000000 => 1740877ebcb53b5132e75cff986cd705\n1 => b}m,
+     qr{eid2data:\n0 => a\0c\0e\n10000000 => nlist\n20000000 => 3ee8d50d6f70735cfd53d9ea92215a22\n1 => b}m,
      "dumpdb output eid2data");
 like($txt,
-     qr{path2eid and eid2data combined:\n/ \(0\) =>\n  V: a\0c\0e\n  T: nlist\n  C: 1740877ebcb53b5132e75cff986cd705\n/a \(1\) =>\n},
+     qr{path2eid and eid2data combined:\n/ \(0\) =>\n  V: a\0c\0e\n  T: nlist\n  C: 3ee8d50d6f70735cfd53d9ea92215a22\n/a \(1\) =>\n},
      "dumpdb ouptut combined path2eid eid2data");
 diag $txt;