Merge pull request #135 from sourcerer-mike/dev-guestSession

Able to start sessions as guest for special methods
Fix error with wrong values in comparisments
Merge branch 'dev' into dev-lemike

* dev:
  Fix error with wrong values in comparisments
Registry throws error on already set keys

Between tests the registry seems to persist, so clean it before every call.
Revert "Registry throws error on already set keys"

This reverts commit 8462f2ff8ca154dc38d7cd798d5e1284c69a1e6e.