[docs] [issue13996] "What's New in Python" should have initial release date on heading

[Ezio Melotti]

Changes by Ezio Melotti <ezio.melotti at gmail.com>:


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nosy: +eric.araujo, ezio.melotti, georg.brandl, terry.reedy
versions:  -Python 2.6, Python 3.1

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue13996>
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