Also handle a 3-digit string message properly.
* Tatsumaki uses `overload` to make callable objects instead of passing around subrefs. * bin/feersum wasn't using Plack::Runner correctly.
Shouldn't be HTTP_CONTENT_LENGTH.
The "delayed response" part of the Feersum API is deprecated in favor of using the "streaming response" part of the API. Additions: * start_streaming() replaces "start_response with a streaming param" ** also now returns a writer Removals: * start_response() has been removed ** use either start_streaming() or send_response() * write_whole_body() has been removed ** use start_streaming() and the writer object instead * write_handle() and read_handle have been removed ** start_streaming() now returns a writer ** use 'psgi.input' to get at a reader