1.0 Release

No changes to the artifact implementation, but this artifact now depends on threadly 6.0 instead of threadly 5.42+.

Initial release of threadly-test artifact

These classes come from version 5.42 of the upstream https://github.com/threadly/threadly project. They only have minor modifications to make the dependencies between the artifacts as minimal as possible. This will reduce tools only useful for test out of the threadly artifact.