Allow spaces in XML replies.

[pithos] / pithos / api / templates / accounts.xml

<?xml version="1.0" encoding="UTF-8"?>

<accounts>
  {% for account in accounts %}
  <account>
  {% for key, value in account.items %}
    <{{ key }}>{{ value }}</{{ key }}>
  {% endfor %}
  </account>
  {% endfor %}
</accounts>