Like curl but a server. This tool lets you quickly serve a simple http-response
in the same way that curl lets you do a http-request.
It allows you to serve the same response n-number of times, and the server will exit when the number of responses has been sent.
It will not filer on host or path any http-request will be served the same
response.
surl -d '{"error_code":"-1","message":"dunno"}' \
-H 'Content-Type: application/json' -s 500 \
:8080