ArduinoJson 5.2.0 * Added `JsonVariant::as<char*>()` as a synonym for `JsonVariant::as<const char*>()` (issue #257) * Added example `JsonHttpClient` (issue #256) * Added `JsonArray::copyTo()` and `JsonArray::copyFrom()` (issue #254) * Added `RawJson()` to insert pregenerated JSON portions (issue #259)