Oscar XML: Create and manipulate XML documents with DOM

This class can be used to create and manipulate XML documents with DOM document extension.

It can create XML document from scratch or load it from a file or a string.

The class can perform several types of operations with the document elements like: searching for elements, adding, updating or deleting elements, adding, updating or deleting attributes from tags.

The manipulated document can be returned as a string.

The comments in the class are in French.