Bump the version number to 1.5.4 due to the PackageSet/Index api changes
Bump the version number to 1.5.4
due to the PackageSet/Index api changes

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