Meet 1.6.0. Same as v1.5.1, but that didn't adhere to semantic
versioning.
- Add Docker build. Thanks, @callumgare!
- Add a workflow to check embedded bundle is up-to-date.
- Allow setting arguments (like, say, an auth token) to be added to ws:// url. Thanks @josegonzalez!
- Update Golang imports for newer ioutil. Thanks @180909!
- Fix buffer size for slave output. Thanks @funnywwh!
- Add
--pass-headersoption to set environment variables based on HTTP headers. Thanks @lukaszlach!