<xdr:oneCellAnchor> images are ignored

[brodrigz]

When parsing the excel file's drawing.xml you store all xdr:twoCellAnchor elements in a variable, then you iterate said variable and add every image you find in the twoCellAnchor elements to the output object's images property, this happens in the following line: _this.readXml.getElementsByTagName("xdr:twoCellAnchor", drawingFile);

however in certain excel sheets there are perfeclty valid images stored in xdr:oneCellAnchor elements aswell, said images are currently being ignored