mod_storage_xmlarchive: Fix return of numeric 'when' from key-value API At some point, 'when' was stored as a timestamp string then as a numeric UNIX timestamp, so both cases needs to be handled, as they are elsewhere. Thanks spec/core_storagemanager_spec.lua

---
labels:
- Statistics
summary: Collect statistics on user registration
---

Description
===========

This module measures the rate at which users register on the server (through
providers like `mod_register_ibr` or `mod_register_web`).