Regression: fix Gateway.enable method (fix its return, which was broken by whirly_stop).
Regression: fix Gateway.enable method (fix its return, which was broken by whirly_stop).

tadpol/MuranoCLI,tadpol/MuranoCLI,tadpol/MuranoCLI,exosite/MrMurano,exosite/MrMurano