* Removed configurable number of decimal places (issues #288, #427 and #506) * Changed exponentation thresholds to `1e7` and `1e-5` (issues #288, #427 and #506) * `JsonVariant::is<double>()` now returns `true` for integers * Fixed error `IsBaseOf is not a member of ArduinoJson::TypeTraits` (issue #495) * Fixed error `forming reference to reference` (issue #495)