* Execute a function on every machine. Function will also be called upon JIP (postInit). The arguments are stored in (_this select 0), while the assigned namespace is stored in (_this select 1).
*
* Argument:
* 0: Function arguments (Array)
* 1: Function to execute, has to be defined on the remote machine first (String)
* 2: Namespace to save that variable in (Object or Namespace)
* 3: Name. Will overwrite previously defined functions with that name (String)