Ownership override
Finish options handling, remove cli.txt
Reconsider error handling (enum?)
chown and install replacements to append to override file
Test helpers
opkbuild helper to set PATH
ob-buildenv needs to define OPK_WORK_AREA with work area absolute path
Finish documenting functions
Manual page
Handle invalid long options
Clean tests directory
Check OOT
Build with recent GCC, fix warnings
Update POT
Test: build sample package(s) and install with opkg-lede
Search ProteanOS package archive for packages with GNU long names (gcc maybe)?
ob-buildopk should use opkg-opk instead of find/touch/chown/sort/tar/gzip
	Maybe only if opkg-opk is in Build-Depends, to opt into experiment?
opkbuild should depend on opkg-opk, prokit should use if available in root