parse challenges json differently to be compatible with bsd sed
parse challenges json differently to be compatible with bsd sed

dennisschuerholz/dehydrated,lukas2511/letsencrypt.sh,ahnooie/dehydrated,lukas2511/dehydrated,Rayne/letsencrypt.sh,Vitexus/dehydrated,erorus/letsencrypt.sh,erdgeist/letsencrypt.sh,erdgeist/letsencrypt.sh