gulp: improve error handling
gulp: improve error handling

burakkp/clappr,tarkanlar/clappr,Pyrotoxin/clappr,burakkp/clappr,wxmfront/clappr,clappr/clappr,wxmfront/clappr,tjenkinson/clappr,Pyrotoxin/clappr,burakkp/clappr,MariadeAnton/clappr,clappr/clappr,dayvson/clappr,shakin/clappr,leandromoreira/clappr,leandromoreira/clappr,flavioribeiro/clappr,kelonye/clappr,tjenkinson/clappr,Metrakit/clappr,jfairley/clappr,Metrakit/clappr,jfairley/clappr,leandromoreira/clappr,irongomme/clappr,irongomme/clappr,Metrakit/clappr,Peer5/clappr,dayvson/clappr,Pyrotoxin/clappr,clappr/clappr,kelonye/clappr,flavioribeiro/clappr,jfairley/clappr,tarkanlar/clappr,tjenkinson/clappr,tarkanlar/clappr,wxmfront/clappr,shakin/clappr,dayvson/clappr,kelonye/clappr,Peer5/clappr,irongomme/clappr,Peer5/clappr,MariadeAnton/clappr,flavioribeiro/clappr,MariadeAnton/clappr,shakin/clappr