Add the hailgun package back to stackage.
Add the hailgun package back to stackage.

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