[cs615asa] level 4

[Jan Schaumann]

Ok, looks like I made level 4 too hard.

Write up what you've tried out and where you're stuck,
and I'll give you credit for this level.  I'll leave
it available to complete if you're interested, but
here's the clue for the final stage:

Alright, final stage: log out and come back to try and
grab the flag.  Don't worry if you overwrite the
index.html file - I keep a backup copy using ghsb(8).