message: Add void to humanize()
  Summary: It seems to me that the `humanize` function should also handle the case for `V`, i.e. void
diff: @@ -40,6 +40,8 @@ std::string humanize(std::string const& type) {
  return "long";
  } else if (type.compare("S") == 0) {
  return "short";
  + } else if (type.compare("V") == 0) {
  + return "void";
  } else if (type.compare("Z") == 0) {
  return "boolean";
  } else if (type[0] == '[') {
  