Xlwt

----------------------

- Officially support Python 3.6, drop support for 2.6.

- Fix bytes/string type mismatch in :func:`upack2rt` on python 3.

- Packaging and code style tweaks.

- Use generator expressions to avoid unnecessary lists in memory.

Thanks to the following for their contributions to this release:

- Jon Dufresne
- Bill Adams

----------------------

- Remove ``LOCALE`` from regular expression that caused
:class:`DeprecationWarning` that become an exception in Python 3.6

- Add :meth:`Workbook.sheet_index` helper.

- :meth:`Workbook.get_sheet` now takes either a string name or an integer
index.

-------------------

- Fix failure in style compression under Python 3.

- Officially support Python 3.5

- Documentation tweaks.

-------------------

- Fix release problems.

-------------------

- Fix SST BIFF record in Python 3.

- Fix for writing :class:`ExternSheetRecord` in Python 3.

- Add the ability to insert bitmap images from buffers as well as files.

- Official support for Python 3.5.

Thanks to "thektulu" and Lele Gaifax for the Python 3 fixes.
Thanks to Ross Golder for the support for inserting images from buffers.

---------------------

- Python 3 support.

- Initial set of unit tests.

- An initial set of Sphinx documentation.

- Move to setuptools for packaging.

- Wire up Travis, Coveralls and ReadTheDocs.

- Allow longs as row indexes.

Big thanks to Thomas Kluyver for his work on Python 3 support, Manfred Moitzi
for donating his unit tests.

Belated thanks to Landon Jurgens for his help on converting the documentation
to Sphinx.