Add support for warnings
Add support for warnings

JPMoresmau/haddock,jstolarek/haddock,haskell/haddock,Fuuzetsu/haddock,Acidburn0zzz/haddock,mrBliss/haddock,Wizek/haddock,Acidburn0zzz/haddock,niteria/haddock,idontgetoutmuch/haddock,esmolanka/haddock,Acidburn0zzz/haddock,jgm/haddock,haskell/haddock,beni55/haddock,haskell/haddock,Wizek/haddock,lamefun/haddock,jgm/haddock,randen/haddock,adamse/haddock,Helkafen/haddock,Wizek/haddock,lamefun/haddock,Mistuke/haddock,niteria/haddock,idontgetoutmuch/haddock,jstolarek/haddock,mrBliss/haddock,Mistuke/haddock,Fuuzetsu/haddock,mrhania/haddock,sboosali/haddock,JPMoresmau/haddock,Helkafen/haddock,Fuuzetsu/haddock,adamse/haddock,beni55/haddock,sboosali/haddock,randen/haddock,Mistuke/haddock,haskell/haddock,Helkafen/haddock,adamse/haddock,lamefun/haddock,beni55/haddock,Fuuzetsu/haddock,sboosali/haddock,haskell/haddock,mrhania/haddock,esmolanka/haddock,esmolanka/haddock,idontgetoutmuch/haddock,randen/haddock,mrhania/haddock,JPMoresmau/haddock,mrBliss/haddock,niteria/haddock