Update scworkercluster.js
Update scworkercluster.js

Add forceKillTimeout option, if the worker is running in infinite loop due to bug or forever waiting nodejs debugger to close connection, the worker itself may be too busy to fire process.exit().
In this case, the workercluster will kill it by 'SIGHUP' after waiting [forceKillTimeout] ms
SocketCluster/socketcluster,SocketCluster/socketcluster