id: fix on Macs
Merge pull request #252 from torkve/master

chroot implementation
chroot: remove a couple more braces
chroot: fix setgroups prototype on linux
Merge pull request #256 from ebfe/chroot

chroot: fix setgroups prototype on linux
hostname: fix sethostname prototype on linux
nl: fix dead_code warning in multicall build
Merge pull request #258 from ebfe/nl

nl: fix dead_code warning in multicall build
Merge pull request #257 from ebfe/hostname

hostname: fix sethostname prototype on linux
Merge pull request #255 from Arcterus/id-fix

id: fix on Macs
c_types: rework group()

Fixes #236
id: remove unused arg
c_types: make get_groups/get_group_list public
id: rework id_print()

Fixes #239
id: remove unnecessary coercion
id: remove dead code/unused imports
id: fix typo
Merge pull request #262 from ebfe/fix-group-foo

id/groups: fix group list handling
du: fix -s flag

Fixes #241
Merge pull request #263 from ebfe/du

du: fix -s flag