* add new API of cJSON_ParseWithLength without breaking changes. Thanks @caglarivriz, see [#358](https://github.com/DaveGamble/cJSON/pull/358)
* add new API of cJSON_GetNumberValue. Thanks @Intuition, see[#385](https://github.com/DaveGamble/cJSON/pull/385)
* add uninstall target function for CMake. See [#402](https://github.com/DaveGamble/cJSON/pull/402)
* Improve performance of adding item to array. Thanks @xiaomianhehe, see [#430](https://github.com/DaveGamble/cJSON/pull/430), [#448](https://github.com/DaveGamble/cJSON/pull/448)
* add new API of cJSON_SetValuestring, for changing the valuestring safely. See [#451](https://github.com/DaveGamble/cJSON/pull/451)
* add return value for cJSON_AddItemTo... and cJSON_ReplaceItem... (check if the operation successful). See [#453](https://github.com/DaveGamble/cJSON/pull/453)
Fixes:
------
* Fix clang -Wfloat-equal warning. Thanks @paulmalovanyi, see [#368](https://github.com/DaveGamble/cJSON/pull/368)
* Fix make failed in mac os. See [#405](https://github.com/DaveGamble/cJSON/pull/405)
* Fix memory leak in cJSONUtils_FindPointerFromObjectTo. Thanks @andywolk for reporting, see [#414](https://github.com/DaveGamble/cJSON/issues/414)
* Fix bug in encode_string_as_pointer. Thanks @AIChangJiang for reporting, see [#439](https://github.com/DaveGamble/cJSON/issues/439)