Adapted to p-io 2.4
Updated test for p-u 3.0.21
And more adaptations
Reverted to p-u .20
Reverted test change
[maven-release-plugin] prepare for next development iteration
Upped plugins
[maven-release-plugin] prepare release plexus-archiver-2.9
[maven-release-plugin] prepare for next development iteration
Adapted to p-io 2.4