Updated to not set host if it's not in config file for worker.
Updated to not set host if it's not in config file for worker.

iron-io/functions,treeder/functions,pedronasser/functions,fnproject/fn,fnproject/fn,fnproject/fn,treeder/functions,pedronasser/functions,SomethingTechnical/functions,iron-io/functions,treeder/functions,SomethingTechnical/functions,SomethingTechnical/functions,pedronasser/functions,iron-io/functions