#119 wrong date ordering of message entries

[Malte Finsterwalder]

I have a feed where the messages are not ordered correcly.
Some messages are shown out of order.

The problem seams to be a mixture in date formats
withing the same feed.
Some entries include zeros in the month and/or day,
others use spaces instead.
I can't say whether the mixture is the problem or
whether the zeros are the problem.

The following date entry is not ordered correctly:
"<date>2004-02-02T17:40:00-08:00</date>"

Using spaces instead of the zeros in month and day will
result in correct ordering:
"<date>2004- 2- 2T17:40:00-08:00</date>"

I attached a set of example files that show the problem
in the first feed: "Conversations with Dale H. Emery"
The first few messages in the list are out of order.