Print parenthesis around non-atomic banged types
Print parenthesis around non-atomic banged types

Fixes half of #44

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