upped the cluster test version and added the version to build props

Upped multinode test kit version

upped the version for akka.net deps

added changelogs

added changelog for 0.5.1

Made some hygenic refactors for 0.5.0

using testoutputhelper

Merge pull request #119 from Lutando/dev

Fixed EmitAll bug for polymorphic types

Merge pull request #115 from Lutando/dev

Some breaking naming and access changes to internals

hopefully last build fix