TypeError: 'Exchange2010CalendarEventList' object is not iterable

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I can retrieve all my events from calendar (like this [1]) but objet is not iterable :

``` python
events = cal.list_events(start, end, details=True)
print("Events: %s" % events)
for event in events:
print "{start} {stop} - {subject}".format(
start=event.start,
stop=event.end,
subject=event.subject
)
```

I've got this error :

``` python
TypeError: 'Exchange2010CalendarEventList' object is not iterable
```

I'm using v0.6

[1] : https://pyexchange.readthedocs.org/en/latest/#listing-events

Start with the listing-events example in the linked documentation and the cal.list_events(start, end, details=True) call shown here. Reproduce the TypeError with Python and inspect the returned Exchange2010CalendarEventList object. Done means calendar event results can be traversed as the issue's loop expects, with a regression test covering the behavior.

Written by the indexing model from the issue text.