Adds option to skip the cleanup
Merge pull request #13 from johanneswuerbach/skip-cleanup

Adds option to skip the cleanup
v1.3.2
allow remove_key to fail if we had an exception before
fix OpenShift#setup_key

Signed-off-by: Konstantin Haase <konstantin.mailinglists@googlemail.com>
v1.3.4
OpenShift is no longer experimental
v1.4.0