Add helper function to iterate long files linewise
Add helper function to iterate long files linewise

mixminion/mixminion,crooks/mixminion,reezer/mixminion,crooks/mixminion,Javex/mixminion,mixminion/mixminion,mixminion/mixminion,nmathewson/mixminion,reezer/mixminion,crooks/mixminion,Javex/mixminion,rxcomm/mixminion,reezer/mixminion,mixminion/mixminion,nmathewson/mixminion,nmathewson/mixminion,rxcomm/mixminion,crooks/mixminion,Javex/mixminion,rxcomm/mixminion,Javex/mixminion,reezer/mixminion,nmathewson/mixminion,rxcomm/mixminion