gb version 0.4.0 released

gb version 0.4.0 has been released. This marks the conclusion of the improvements to gb test in the 0.3 series, and the start of improvements to dependency management for the 0.4 series.

The headline feature of the 0.4 series will be adding support for an alternative mechanism to fetch dependencies that are not vendored into the gb project. Please see the release notes or issue 536 for full details.

For more details, please consult the 0.4.0 release notes available on Github.