+ (** high level response function, respond on outchan sending: basic headers,
+ headers probided via 'headers' argument, body given via 'body' argument.
+ Default response status is 200, default response HTTP version is
+ Http_common.http_version *)
+val respond:
+ ?body:string -> ?headers:(string * string) list ->
+ ?version:Http_types.version -> ?code:int -> ?status:Http_types.status ->
+ out_channel ->
+ unit
+