Axis custom properties not supported in charts
*Created originally on Bitbucket by [yukibo (yukibo Bobo Bo Bobo)](https://bitbucket.org/%7B00657a68-a57c-4ef4-a4b4-fbab0ef00d8a%7D/)*
Using openpyxl 2.5.0a3, saving a worksheet containing a chart with custom axis properties (e.g. log scale instead of linear) loses those custom properties.
*Attachments:* [log_chart.xlsx](/uploads/00dbf4554191c0ee78a56b8a2f0409c3/log_chart.xlsx)
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