Chart data cant handle " ' "
*Created originally on Bitbucket by [Randomneo (Ростислав Місюра)](https://bitbucket.org/%7B5680167a-a38c-4095-a697-df0aa7531b25%7D/)* If we set sheet name with `'` we'll not get DougnutChart with that sheet name everything works ``` sheet.title = "some text" ``` if I add `'` chart don't set data range ``` sheet.title = "some ' text" ``` python version 2.7.15rc1
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