cffi-grovel: slightly better handling of packages
cffi-grovel: slightly better handling of packages

- in-package now has a read time effect on *package* which will determine
  to which package various symbols (such as type names) will belong to.

stassats/cffi,marsijanin/cffi,mcna/cffi,cffi/cffi,dochang/cffi,3b/cffi,mcna/cffi,dochang/cffi,kingcheez/cffi-cheez,cffi/cffi,attila-lendvai/cffi,kingcheez/cffi-cheez,dkochmanski/cffi,akovalenko/cffi,3b/cffi,stassats/cffi,dkochmanski/cffi,3b/cffi,stassats/cffi,wesen/cffi,kingcheez/cffi-cheez,dkochmanski/cffi,akovalenko/cffi,wesen/cffi,attila-lendvai/cffi,cffi/cffi,dochang/cffi,marsijanin/cffi,akovalenko/cffi,marsijanin/cffi,wesen/cffi