2017-12-31 Brecht Sanders https://github.com/brechtsanders/
* fixed CMakeLists.txt for proper DLL builds on Windows
2017-11-28 Brecht Sanders https://github.com/brechtsanders/
* fixed bug in XML_Char_poscpy when compiled for UTF-16 (thanks to https://github.com/dsmccall)
2017-11-16 Brecht Sanders https://github.com/brechtsanders/
* fixed minor memory leak whean cleaning up shared string list
2017-11-11 Brecht Sanders https://github.com/brechtsanders/
* added wchar_t support, requires building with -DXML_UNICODE and expat also built with -DXML_UNICODE
* fixed memory issue in xlsxioread_process()
2017-11-09 Brecht Sanders https://github.com/brechtsanders/
* added xlsxioread_open_filehandle() to read file using file descriptor