click: Implement %peels in click

[mopfel-winrux]

Currently to get any info we have to use

echo "[0 %peel /info]" |./urbit-test eval -jn | nc -U -W 1 ./zod_khan/.urb/conn.sock | ./urbit-test eval -cn

a command like

/path/to/click -jsp /path/to/pier/zod info

would be very useful