v2.4.0

• Feature / Fix: Support cancellation forwarding and cancelling redirected requests.
  (#110 by @clue)

• Feature / Fix: Remove Authorization request header for redirected cross-origin requests
  and add documentation for HTTP redirects.
  (#108 by @clue)

• Improve API documentation and add documentation for HTTP authentication and Authorization header.
  (#104 and #109 by @clue)

• Update project homepage.
  (#100 by @clue)