* Improve CI

* build: update dependencies

* ignore phpunit cache

* refactor: remove "abstract" from exceptions

* feature: throw exception if stream can not open
for #45

* wip: type safety improvements

* type safety improvements
closes #45

* build: upgrade ci

* build: phpstan level 6

* test: fix test

* test: fix nullable type

Bumps [willdurand/negotiation](https://github.com/willdurand/Negotiation) from 3.0.0 to 3.1.0.
- [Release notes](https://github.com/willdurand/Negotiation/releases)
- [Commits](willdurand/Negotiation@3.0.0...3.1.0)

---
updated-dependencies:
- dependency-name: willdurand/negotiation
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Bumps [phpstan/phpstan](https://github.com/phpstan/phpstan) from 1.8.0 to 1.8.1.
- [Release notes](https://github.com/phpstan/phpstan/releases)
- [Changelog](https://github.com/phpstan/phpstan/blob/1.8.x/CHANGELOG.md)
- [Commits](phpstan/phpstan@1.8.0...1.8.1)

---
updated-dependencies:
- dependency-name: phpstan/phpstan
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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closes #156

* feature: response redirect/reload
for #159

* refactor: set callable after construction

* refactor: type improvement

* feature: pass status code on redirect