Rewrite everything from scratch for mqtt v5

vendor/github.com/alicebob/gopher-json/doc.go

@@ -0,0 +1,33 @@
+// Package json is a simple JSON encoder/decoder for gopher-lua.
+//
+// Documentation
+//
+// The following functions are exposed by the library:
+//  decode(string): Decodes a JSON string. Returns nil and an error string if
+//                  the string could not be decoded.
+//  encode(value):  Encodes a value into a JSON string. Returns nil and an error
+//                  string if the value could not be encoded.
+//
+// The following types are supported:
+//
+//  Lua      | JSON
+//  ---------+-----
+//  nil      | null
+//  number   | number
+//  string   | string
+//  table    | object: when table is non-empty and has only string keys
+//           | array:  when table is empty, or has only sequential numeric keys
+//           |         starting from 1
+//
+// Attempting to encode any other Lua type will result in an error.
+//
+// Example
+//
+// Below is an example usage of the library:
+//  import (
+//      luajson "layeh.com/gopher-json"
+//  )
+//
+//  L := lua.NewState()
+//  luajson.Preload(s)
+package json