whisper-dump.py: Handle bogus files
whisper-dump.py: Handle bogus files

graphite-server/whisper,kerlandsson/whisper,jjneely/whisper,graphite-project/whisper,obfuscurity/whisper,piotr1212/whisper,penpen/whisper,deniszh/whisper,alexandreboisvert/whisper,acdha/whisper,cbowman0/whisper,akbooer/whisper