Default cache to nil in param, then use || to default to hash.
Default cache to nil in param, then use || to default to hash.

carlthuringer/flipper,jnunemaker/flipper,carlthuringer/flipper,carlthuringer/flipper,alabeduarte/flipper,alabeduarte/flipper,gdavison/flipper,carlthuringer/flipper,alabeduarte/flipper,jnunemaker/flipper,jnunemaker/flipper,alabeduarte/flipper,gdavison/flipper,gdavison/flipper,gdavison/flipper,jnunemaker/flipper