Add ghc-core and colorize-haskell packages
Add ghc-core and colorize-haskell packages

simonmichael/stackage,peti/stackage,soenkehahn/stackage,lwm/stackage,athanclark/stackage,Daniel-Diaz/stackage,Shimuuar/stackage,stackbuilders/stackage,garetxe/stackage,mstksg/stackage,creichert/stackage,mrkkrp/stackage,mgajda/stackage,ethercrow/stackage,spencerjanssen/stackage,iand675/stackage,phaazon/stackage,int-index/stackage,massysett/stackage,michalkonecny/stackage,fpco/stackage,clinty/stackage,k0ral/stackage,wereHamster/stackage,jonschoning/stackage,asr/stackage,fimad/stackage