Mention existence of 'Natural' in "Data.Word"
Mention existence of 'Natural' in "Data.Word"

This replaces the note mentioning the lack of a `Natural`-type by a note
pointing to the new "Numeric.Natural" (#9818) module.

da-x/ghc,urbanslug/ghc,vTurbine/ghc,ghc-android/ghc,fmthoma/ghc,gcampax/ghc,vTurbine/ghc,green-haskell/ghc,oldmanmike/ghc,green-haskell/ghc,vTurbine/ghc,ml9951/ghc,mfine/ghc,mfine/ghc,anton-dessiatov/ghc,ml9951/ghc,mfine/ghc,vikraman/ghc,mcschroeder/ghc,GaloisInc/halvm-ghc,shlevy/ghc,bitemyapp/ghc,siddhanathan/ghc,acowley/ghc,vikraman/ghc,urbanslug/ghc,ml9951/ghc,elieux/ghc,mcschroeder/ghc,sdiehl/ghc,nushio3/ghc,AlexanderPankiv/ghc,olsner/ghc,GaloisInc/halvm-ghc,ezyang/ghc,da-x/ghc,AlexanderPankiv/ghc,AlexanderPankiv/ghc,snoyberg/ghc,snoyberg/ghc,snoyberg/ghc,siddhanathan/ghc,oldmanmike/ghc,sdiehl/ghc,anton-dessiatov/ghc,da-x/ghc,mettekou/ghc,bitemyapp/ghc,ezyang/ghc,wxwxwwxxx/ghc,tjakway/ghcjvm,gcampax/ghc,mettekou/ghc,mcschroeder/ghc,vTurbine/ghc,olsner/ghc,AlexanderPankiv/ghc,christiaanb/ghc,snoyberg/ghc,TomMD/ghc,nkaretnikov/ghc,ghc-android/ghc,da-x/ghc,mettekou/ghc,siddhanathan/ghc,wxwxwwxxx/ghc,gridaphobe/ghc,bitemyapp/ghc,christiaanb/ghc,vTurbine/ghc,mcschroeder/ghc,urbanslug/ghc,tjakway/ghcjvm,nushio3/ghc,ezyang/ghc,snoyberg/ghc,acowley/ghc,mettekou/ghc,tjakway/ghcjvm,olsner/ghc,oldmanmike/ghc,olsner/ghc,urbanslug/ghc,olsner/ghc,nathyong/microghc-ghc,acowley/ghc,vikraman/ghc,mettekou/ghc,nushio3/ghc,vTurbine/ghc,AlexanderPankiv/ghc,oldmanmike/ghc,tjakway/ghcjvm,acowley/ghc,elieux/ghc,fmthoma/ghc,sgillespie/ghc,ml9951/ghc,olsner/ghc,elieux/ghc,siddhanathan/ghc,wxwxwwxxx/ghc,ghc-android/ghc,christiaanb/ghc,shlevy/ghc,gcampax/ghc,nkaretnikov/ghc,gridaphobe/ghc,siddhanathan/ghc,ghc-android/ghc,sgillespie/ghc,ml9951/ghc,nkaretnikov/ghc,mettekou/ghc,urbanslug/ghc,acowley/ghc,GaloisInc/halvm-ghc,ml9951/ghc,elieux/ghc,vTurbine/ghc,ezyang/ghc,tjakway/ghcjvm,mcschroeder/ghc,anton-dessiatov/ghc,oldmanmike/ghc,bitemyapp/ghc,gridaphobe/ghc,mfine/ghc,fmthoma/ghc,GaloisInc/halvm-ghc,sgillespie/ghc,fmthoma/ghc,ezyang/ghc,ghc-android/ghc,forked-upstream-packages-for-ghcjs/ghc,shlevy/ghc,shlevy/ghc,anton-dessiatov/ghc,vikraman/ghc,TomMD/ghc,anton-dessiatov/ghc,TomMD/ghc,gridaphobe/ghc,GaloisInc/halvm-ghc,forked-upstream-packages-for-ghcjs/ghc,nushio3/ghc,ml9951/ghc,wxwxwwxxx/ghc,gridaphobe/ghc,fmthoma/ghc,fmthoma/ghc,nathyong/microghc-ghc,forked-upstream-packages-for-ghcjs/ghc,GaloisInc/halvm-ghc,urbanslug/ghc,da-x/ghc,mfine/ghc,forked-upstream-packages-for-ghcjs/ghc,TomMD/ghc,elieux/ghc,nathyong/microghc-ghc,wxwxwwxxx/ghc,ezyang/ghc,anton-dessiatov/ghc,snoyberg/ghc,TomMD/ghc,gridaphobe/ghc,ghc-android/ghc,green-haskell/ghc,vikraman/ghc,nathyong/microghc-ghc,nathyong/microghc-ghc,anton-dessiatov/ghc,nkaretnikov/ghc,AlexanderPankiv/ghc,shlevy/ghc,nathyong/microghc-ghc,christiaanb/ghc,gcampax/ghc,green-haskell/ghc,sgillespie/ghc,wxwxwwxxx/ghc,snoyberg/ghc,GaloisInc/halvm-ghc,sdiehl/ghc,ghc-android/ghc,vikraman/ghc,oldmanmike/ghc,green-haskell/ghc,elieux/ghc,gcampax/ghc,elieux/ghc,olsner/ghc,gcampax/ghc,christiaanb/ghc,bitemyapp/ghc,shlevy/ghc,mcschroeder/ghc,acowley/ghc,nkaretnikov/ghc,nathyong/microghc-ghc,sdiehl/ghc,nushio3/ghc,tjakway/ghcjvm,siddhanathan/ghc,ezyang/ghc,acowley/ghc,sdiehl/ghc,ml9951/ghc,christiaanb/ghc,TomMD/ghc,da-x/ghc,nushio3/ghc,nkaretnikov/ghc,sdiehl/ghc,AlexanderPankiv/ghc,gcampax/ghc,shlevy/ghc,sgillespie/ghc,nushio3/ghc,sgillespie/ghc,mfine/ghc,forked-upstream-packages-for-ghcjs/ghc,nkaretnikov/ghc,da-x/ghc,sgillespie/ghc,gridaphobe/ghc,tjakway/ghcjvm,sdiehl/ghc,mcschroeder/ghc,siddhanathan/ghc,oldmanmike/ghc,christiaanb/ghc,vikraman/ghc,mettekou/ghc,forked-upstream-packages-for-ghcjs/ghc,mfine/ghc,fmthoma/ghc,TomMD/ghc,wxwxwwxxx/ghc,forked-upstream-packages-for-ghcjs/ghc,urbanslug/ghc