message: C++11 mark ctor/dtor as default
  Helps the compiler, less boilerplate.
diff: @@ -52,13 +52,9 @@ using Core::Variant;
  using Core::split;
  using Core::lexicalCast;
  -CjsonFormat::CjsonFormat()
  -{
  -}
  +CjsonFormat::CjsonFormat() = default;
  -CjsonFormat::~CjsonFormat()
  -{
  -}
  +CjsonFormat::~CjsonFormat() = default;
  bool CjsonFormat::testEmpty(Value& value, const std::string& key,
  bool writeError)
  