fix: regression in MarshalJson & UnmarshalJson option

v1.2.2

fix: regression in MarshalJson & UnmarshalJson option

Fix: regression in MapKey

v1.2.1

fix: regression in MapKey option

Feature: Support JSON (Un)Marshaller

v1.2.0

return pointer version of json.Marshaler and json.Unmarshaler

Fix: return pointer of string in []uint8 case with JSON Options

v1.1.1

return pointer version of string

v1.1.0

add options to aid Marshal/Unmarshal functionality

v1.0.0

initial commit