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:release date: 2012-09-21
Changes
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* Add ``use_single_float`` option to ``Packer``. When it is true, packs float
object in single precision format.
Bugs fixed
----------
* ``unpack()`` didn't restores gc state when it called with gc disabled.
``unpack()`` doesn't control gc now instead of restoring gc state collectly.
User can control gc state when gc cause performance issue.
* ``Unpacker``'s ``read_size`` option didn't used.