This module converts a Python dictionary or other native data type into a
valid XML string.
Supported item are int, float, long, decimal.Decimal, bool, str, unicode,
datetime, None and other number-like objects. Supported collection are
list, set, tuple and dict, as well as iterable and dict-like objects.
Items with a datetime type are converted to ISO format strings. Items
with a None type become empty XML elements.
