Merge pull request #317 from pusher/develop

Develop

Merge pull request #307 from pusher/develop

Develop

Merge pull request #305 from pusher/develop

Add type signatures, refactor

Merge pull request #298 from pusher/async

Async

Merge pull request #297 from pusher/fix_interface

Use type hints, document Guzzle Exception

Merge pull request #289 from pusher/guzzle

Switch to Guzzle for HTTP calls

Merge pull request #296 from pusher/fix_version

Ensure version is bumped in source

Merge pull request #291 from pusher/actions

Add release actions

Merge pull request #285 from pusher/release-5.0.1

5.0.1 release

Merge pull request #277 from pusher/release-v5.0.0

Release v5.0.0