code: function handleMessage(m, workerIdx) {
  	var job = jobs[m.context.jobID];
  
  	switch(job.type) {
  		case 'func':
  			handleArrayResult(m, workerIdx);
  			break;
  		case 'exec':
  			handleExecResult(m, workerIdx);
  			break;
  		default:
  			throw Error('Invalid job type: ' + job.type);
  	}
  }
docs: Handles messages from the workers