Hervé Girod - 2022-10-14

Fix the behavior of the XMLNodeUtilities.search(...) methods which were not working correctly if the deep argument was false
Add searchFirst methods for the XMLNodeUtilities class to find the first node with a name or qualified name
Add searchFirst methods for the XMLNode class to find the first node with a name or qualified name
Add a method in the XMLNode class to search a list of nodes using a qualified name