merge: allow taking 1 argument
merge: allow taking 1 argument

technically valid use-case; it could be a strong independent template that
don't need no stubs

mikfreedman/spiff,actionjack/spiff,rsliang/spiff,mikfreedman/spiff,rsliang/spiff,mandelsoft/spiff,actionjack/spiff,cloudfoundry-incubator/spiff,cloudfoundry-incubator/spiff,geofffranks/spiff,geofffranks/spiff,mandelsoft/spiff