Add task all:rubies to run bundle and run tests under all (specified) Ruby versions
Add task all:rubies to run bundle and run tests under all (specified) Ruby versions

denzelem/spreewald,streetlogics/spreewald,makandra/spreewald,alietz/spreewald,streetlogics/spreewald,alietz/spreewald,denzelem/spreewald,jdar/spreewald,jdar/spreewald,makandra/spreewald