lint fixes (#151)

* json: use reflect.PointerTo (avoid deprecated naming)
* json: use maps.Copy
* lint: remove unused consts/fields
* exclude stdlib copied tests from linting
* json: partial lint fixes

perf(json): address performance penalty found in v0.4.0+ (#149)

* perf(json): revert decodeInto helper changes for object/array/string

* per(json): add benchmarks for decoding object and array with mixed members

lint fixes (#146)

Add protobuf rewrite rule overrides (#144)

* allow rewrite rule overrides and add bitwise-or rewriter

* finish docs

* remove repeated, these apply a little odd in the rewriter

Add protobuf rewrite rule overrides (#144)

* allow rewrite rule overrides and add bitwise-or rewriter

* finish docs

* remove repeated, these apply a little odd in the rewriter

json: configurable numeric decoding (#137)

* json: stylistic improvements, better code reuse

Initial benchmark results show this change
to be approximately performance-neutral.

* bump tested Go versions to just 1.20 and 1.21
* json: add ParseFlags values UseInt64, UseUint64, UseBigInt
* json: use atomic.Pointer

fix encoding RawMessage that contains leading space (#136)

* fix encoding RawMessage that contains leading space.

* add json/bugs/issue136

extendSlice optimization is still valid for go1.19 (#127)

fix decoding lists of TRUE values (#122)

* fix decoding lists of TRUE values

* fix typo

* minimal code change

Encoder: add SetAddExtraNewline option to json.Encoder (#119)

* Encoder: add SetAddExtraNewline option to json.Encoder

* feat: rename AddExtraNewline to AppendNewline

* refactor: change AppendNewline to be part of AppendFlags

* feat: make appendNewline private