Unit Tests

- Fixed tests that were broken when the config defaults changed.

src/tests/color.recurring.t

@@ -35,6 +35,7 @@ if (open my $fh, '>', 'color.rc')
 {
   print $fh "data.location=.\n",
             "color.recurring=red\n",
+            "color.due=\n",
             "_forcecolor=1\n";
   close $fh;
   ok (-r 'color.rc', 'Created color.rc');