* add multi-node manipulation, delete on xpath match only and count capability to win_xml
* fix pep8 and yamllint errors identified by ci tests
* fixed bugs when handling multiple elements, multiple attribute nodes and handling for attribute nodes when using xpaths that only select attributes like //@lang. Added more tests and tweaked documentation.
* fixed line-too-long error
* fixed trailing space errors
* trailing whitespace expunged
* bump version_added to 2.9 for new changes
* fix PSAvoidUsingPositionalParameters sanity check failure
* refix sanity check as it broke the msg return value
