message: Fixed: type of audit_log status code.
diff: @@ -16,7 +16,7 @@ var AuditLogMediaType = MediaType("application/vnd.audit_log+json", func() {
  Attribute("source_ip", String, "source ip address")
  Attribute("user_id", String, "user id")
  Attribute("request_body", String, "request body")
  - Attribute("status_code", String, "http status code")
  + Attribute("status_code", Integer, "http status code")
  Attribute("created_at", DateTime, "created time")
  })
  