This affects the automatic Excel creation that links quote lines to wav files.
It solves a bug with LibreOffice (at least 6.2.8.2) that has trouble if the path has backslashes (even if escaped)
It is still compatible with MS Excel.
Also minor improvements in the python scripts
Made audio links working again with LibreOffice Calc and added a subtitles version sheet in the python script that creates the Excel document and the audio links