Add constraint "extra < 1.5.1" per ndmitchell/bake#40
Add constraint "extra < 1.5.1" per ndmitchell/bake#40

simonmichael/stackage,asr/stackage,peti/stackage,michalkonecny/stackage,DanielG/stackage,ygale/stackage,massysett/stackage,phaazon/stackage,alanz/stackage,christiaanb/stackage,brendanhay/stackage,jaspervdj/stackage,stackbuilders/stackage,wereHamster/stackage,k0ral/stackage,garetxe/stackage,lwm/stackage,creichert/stackage,spencerjanssen/stackage,athanclark/stackage,mgajda/stackage,mstksg/stackage,judah/stackage,Shimuuar/stackage,GregorySchwartz/stackage,ethercrow/stackage,Daniel-Diaz/stackage,phadej/stackage,int-index/stackage,jonschoning/stackage,iand675/stackage,fpco/stackage,soenkehahn/stackage,mrkkrp/stackage,fimad/stackage,clinty/stackage