Release v2.2.0

Update `branch-alias` to `2.2-dev` in `composer.json`

Release v2.2.0-beta1

Optimized all composer.json (#3569)

* Optimized all composer.json

* Update package-lock.json

Release v2.1.1

Format code.

Release v2.1.0

Changed branch-alias of `dev-master` to `2.1-dev` (#3038)

* Update branch-alias

* Update composer.json

Release v2.1.0-beta2

Merge branch 'master' into 2.1-merge

# Conflicts:
#	src/validation/composer.json

Release v2.0.24

Support custom HTTP status code. (#2973)

* Support for custom HTTP status code

* Update test

* Update CHANGELOG-2.0.md

Co-authored-by: 李铭昕 <715557344@qq.com>

Release v2.1.0-beta1

Use `(string) $body` instead of `$body->getContents()` for getting co…

Release v2.0.20

Optimized the exceptions thrown by `Json` and `Xml`. (#2821)

* 统一InvalidArgumentException错误抛出及捕获

* Added test cases.

Co-authored-by: 李铭昕 <715557344@qq.com>

Release v2.0.19

Fixed response body does not exists when bad request. (#2803)

* Fixed response body does not exists when bad request.

* Update JsonParser.php

* Update CHANGELOG-2.0.md

Release v2.0.14

Merge branch 'master' into pr/1969