Openpyexcel

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* `247 <https://bitbucket.org/openpyxl/openpyxl/issue/247>`_ - iterable worksheets open too many files
* `252 <https://bitbucket.org/openpyxl/openpyxl/issue/252>`_ - improved handling of lxml
* `253 <https://bitbucket.org/openpyxl/openpyxl/issue/253>`_ - better handling of unique sheetnames

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* `246 <https://bitbucket.org/openpyxl/openpyxl/issue/246>`_

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Compatibility
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Support for Python 2.5 dropped.

Major changes
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* Support conditional formatting
* Support lxml as backend
* Support reading and writing comments
* pytest as testrunner now required
* Improvements in charts: new types, more reliable


Minor changes
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* load_workbook now accepts data_only to allow extracting values only from
formulae. Default is false.
* Images can now be anchored to cells
* Docs updated
* Provisional benchmarking
* Added convenience methods for accessing worksheets and cells by key

==================


Major changes
-------------

Drops support for Python < 2.5 and last version to support Python 2.5


Compatibility
-------------

Tests run on Python 2.5, 2.6, 2.7, 3.2, 3.3


Merged pull requests
--------------------

* 27 Include more metadata
* 41 Able to read files with chart sheets
* 45 Configurable Worksheet classes
* 3 Correct serialisation of Decimal
* 36 Preserve VBA macros when reading files
* 44 Handle empty oddheader and oddFooter tags
* 43 Fixed issue that the reader never set the active sheet
* 33 Reader set value and type explicitly and TYPE_ERROR checking
* 22 added page breaks, fixed formula serialization
* 39 Fix Python 2.6 compatibility
* 47 Improvements in styling


Known bugfixes
--------------

* `109 <https://bitbucket.org/openpyxl/openpyxl/issue/109>`_
* `165 <https://bitbucket.org/openpyxl/openpyxl/issue/165>`_
* `209 <https://bitbucket.org/openpyxl/openpyxl/issue/209>`_
* `112 <https://bitbucket.org/openpyxl/openpyxl/issue/112>`_
* `166 <https://bitbucket.org/openpyxl/openpyxl/issue/166>`_
* `109 <https://bitbucket.org/openpyxl/openpyxl/issue/109>`_
* `223 <https://bitbucket.org/openpyxl/openpyxl/issue/223>`_
* `124 <https://bitbucket.org/openpyxl/openpyxl/issue/124>`_
* `157 <https://bitbucket.org/openpyxl/openpyxl/issue/157>`_


Miscellaneous
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Performance improvements in optimised writer

Docs updated