exception Bad_request of string
exception Unresolvable_URI of string
exception Invalid_URI of string
exception Bad_request of string
exception Unresolvable_URI of string
exception Invalid_URI of string
exception Key_already_in of string;;
exception Key_not_found of string;;
exception Http_client_error of string * string (* url, error message *)
exception Key_already_in of string;;
exception Key_not_found of string;;
exception Http_client_error of string * string (* url, error message *)