pwcli: Add 'delegate' command to delegate patches to other users
pwcli: Add 'delegate' command to delegate patches to other users

Add a new 'delegate' command that takes a list of patch IDs and asks for a
username to delegate them to. It looks up the user ID in the API and
changes the patch delegate to that user (aborting if no user is found).

Signed-off-by: Toke Høiland-Jørgensen <c739cf9ea9032889618db8b95a03da66fcc9867e@toke.dk>

kvalo/pwcli,kvalo/pwcli