Don't ignore the return values in cowboy:stop_listener/1.
Don't ignore the return values in cowboy:stop_listener/1.

CrankWheel/cowboy,rbalint/pkg-erlang-cowboy,essen/cowboy,MSch/cowboy,LineMetrics/cowboy,omusico/cowboy,LineMetrics/cowboy,layerhq/cowboy,heroku/cowboyku,bsmr-erlang/cowboy,turtleDeng/cowboy,276361270/cowboy,sile/cowboy,hairyhum/cowboy,chef/cowboy,piboye/cowboy,yangchengjian/cowboy,acrispin/cowboy,heroku/cowboy,bobos/ecweb,Reimerei/cowboy,venkateshreddy/cowboy,binarin/cowboy,dangjun625/cowboy,lpgauth/cowboy,cad627/cowboy,manastech/cowboy,ninenines/cowboy,pap/cowboy,grahamrhay/cowboy,manastech/cowboy,paulperegud/cowboy,ferd/cowboyku,rabbitmq/cowboy,piboye/cowboy,imdeps/cowboy,essen/cowboy,heroku/cowboy,LineMetrics/cowboy,cad627/cowboy,kivra/cowboy,layerhq/cowboy,K2InformaticsGmbH/cowboy,yangchengjian/cowboy,unisontech/cowboy,noname007/cowboy,linearregression/cowboyku,unisontech/cowboy,callsign-core/cowboy_hybi00,lpgauth/cowboy,odo/cowboy,nviennot/cowboy,callsign-core/cowboy_hybi00,binarin/cowboy