## What's Changed
- Added JsonType
- json object types enumeration
- Added Json.Json()
- constructor
- Added Json.JsonF()
- static constructor (from file)
- Added Json.Type.get()
- property
- Added JsonObject.GetType()
- Added JsonArray.GetType()
---
- Deprecated JsonObject.IsNull()
- Deprecated JsonObject.SetNull()
- Deprecated JsonArray.SetNull()
- Deprecated JsonArray.PushNull()
-------
- Changed JsonObject.Set(const char[], Json)
- second arg can be `NULL` to store `JSON_NULL`
- Changed JsonArray.Set(const int, Json)
- second arg can be `NULL` to store `JSON_NULL`
- Changed JsonArray.Push(Json)
- first arg can be `NULL` to store `JSON_NULL`
---
- Renamed JSONObjectKeys
-> JsonKeys type
- Renamed JSONObjectKeys.ReadKey()
-> JsonKeys.Next()
- iterator method
---
- Removed JSONObject.JSONObject()
- constructor, use new Json("{}")
instead
- Removed JSONArray.JSONArray()
- constructor, use new Json("[]")
instead
- Removed JSONArray.IsNull()
- :/