Redirect loops and mazes

[solderpunk]

> 
>   And speaking of tests, have you finished the Gemini server torture test?
> 
Not only have I not finished them, it took me an embarrassingly long
time to remember which tests you were talking about.  Yikes!  I'll
try to get these published sometime soon - along, perhaps, with my
long-stagnant 100 line Lua client, which I'm expecting you'll be able to
improve substantially...

-Solderpunk