v1.1.0

• Feature: Support upcoming PHP 8 release, update to reactphp/socket v1.6 and adjust type checks for invalid chunk headers.
  (#391 by @clue)

• Feature: Consistently resolve base URL according to HTTP specs.
  (#379 by @clue)

• Feature / Fix: Expose Transfer-Encoding: chunked response header and fix chunked responses for HEAD requests.
  (#381 by @clue)

• Internal refactoring to remove unneeded MessageFactory and Response classes.
  (#380 and #389 by @clue)

• Minor documentation improvements and improve test suite, update to support PHPUnit 9.3.
  (#385 by @clue and #393 by @SimonFrings)