code: function findTarget (method) {
      var chain = [];
      if (typeof method === 'string') {
          chain = method.split('.');
          method = chain.pop();
      }
  
      var target = WorkerBroker.targets;
  
      for (let m=0; m < chain.length; m++) {
          if (target[chain[m]]) {
              target = target[chain[m]];
          }
          else {
              return [];
          }
      }
  
      return [method, target];
  }
docs: Given a dot-notation-style method name, e.g. 'Object.object.method', find the object to call the method on from the list of registered targets