Bump version number of cabal-install to 1.18.0.1
Bump version number of cabal-install to 1.18.0.1

ian-ross/cabal,gridaphobe/cabal,valderman/cabal,headprogrammingczar/cabal,sopvop/cabal,plumlife/cabal,thomie/cabal,kosmikus/cabal,mydaum/cabal,enolan/cabal,garetxe/cabal,lukexi/cabal,corngood/cabal,trskop/cabal,eric-stanley/cabal,christiaanb/cabal,ian-ross/cabal,rimmington/cabal,rimmington/cabal,ghc-android/cabal,lukexi/cabal,valderman/cabal,Peaker/cabal,beni55/cabal,plow-technologies/cabal,bennofs/cabal,fpco/cabal,ghc-android/cabal,Helkafen/cabal,typelead/epm,edsko/cabal,Heather/cabal,sopvop/cabal,martinvlk/cabal,plow-technologies/cabal,triplepointfive/cabal,kolmodin/cabal,mmakowski/cabal,bennofs/cabal,sopvop/cabal,seereason/cabal,randen/cabal,fugyk/cabal,edsko/cabal,mightybyte/cabal,themoritz/cabal,gridaphobe/cabal,thoughtpolice/cabal,garetxe/cabal,gbaz/cabal,Helkafen/cabal,randen/cabal,kolmodin/cabal,kosmikus/cabal,gbaz/cabal,x-y-z/cabal,beni55/cabal,typelead/epm,fugyk/cabal,thomie/cabal,headprogrammingczar/cabal,plumlife/cabal,eric-stanley/cabal,trskop/cabal,themoritz/cabal,triplepointfive/cabal,enolan/cabal,thoughtpolice/cabal,Heather/cabal,christiaanb/cabal,Peaker/cabal,anton-dessiatov/cabal,fpco/cabal,seereason/cabal,mydaum/cabal,martinvlk/cabal,anton-dessiatov/cabal,corngood/cabal,mightybyte/cabal,x-y-z/cabal,mmakowski/cabal,themoritz/cabal