[Catalyst] Force server to send data to browser....

[Jonathan Rockway]

Fair enough.  I'm technically incorrect, but my answer holds. 
finalize_headers and finalize_body both get called after the last end
action.  (I know this experimentally because I mess with the headers in
my Root.pm/end :)

> * Jonathan Rockway <jon at jrock.us> [2006-08-30 03:20]:
>   
>> If you think about it, this is necessary because you can change
>> headers or the body at any time in the request cycle... and you
>> can't unsend data.
>>     
>
> So what’s `finalize_headers` do?