0.3.9 July 2 2016

• Added support for MinGW, MinGW-w64, Gygwin, MSYS and MSYS2.

0.3.8 June 11 2016

• Added workbook functions to set custom document properties.

0.3.7 June 2 2016

• Added updated Cocoapods file for Cocoapods 1.0.0. This also add support for
  the "use_frameworks" directive.

0.3.6 June 1 2016

• Fix for worksheet_insert_image() issue when handling images with zero dpi.

0.3.5 May 31 2016

• Refactored the error handling and reporting for when the file creation
  subsystem fails due to file permissions or other issues. The new error codes
  are in lxw_error and the codes can be converted to strings, for reporting,
  using the new lxw_strerror() function.

0.3.4 May 28 2016

• Updated the Getting Started section of the docs with instructions on how to build
  libxlsxwriter for Windows using Microsoft Visual Studio and added links to
  the example MSVC project:
  MSVCLibXlsxWriter.

0.3.3 April 23 2016

• Added support for charts.

0.3.2 April 8 2016

• Added the worksheet_write_boolean() function to write Excel boolean values.

0.3.1 January 9 2016

• Improved performance 20-30% for large data files.

0.3.0 January 4 2016

• Renamed worksheet_set_row() function to worksheet_set_row_opt() for
  consistency with current and future APIs. The worksheet_set_row() function
  is now used without the options parameter.

  Note: This is a backward incompatible change.

• Renamed worksheet_set_column() function to worksheet_set_column_opt()
  for consistency with current and future APIs. The worksheet_set_column()
  function is now used without the options parameter.

  Note: This is a backward incompatible change.