Close GH-671: Disable use of sudo. Fixes #498.
Minor tweaks to last PR.
Update reps.
CS.
Oops.
Close GH-659: fix issue#658 list not working with linked packages.
Do not install linked deps, #659.
Appropriate target for linked packages, #659.
Walk tree no longer walks through linked deps, #659.
Restore incompatible dependencies.
Set debug logs to grey.
Close GH-672: Fix for #670.
Tweaks to PR #672.