Update all non-sr.ht Python packages
py3-billiard: "upgrade" to 3.6.4.0
py3-billiard: bump pkgrel
py3-billiard: bump pkgrel
py3-billiard: upgrade to 3.6.3.0
sr.ht/py3-billiard: bump pkgrel
sr.ht/py3-billiard: upgrade to 3.6.1.0
Update all dependency packages
Set all pkgrels to zero
Move into subdir for abuild reasons