Adapt the directory layout to conform to the XProject structure.
Support multiple parameter documents.
Externalize the deep-equal stylesheet (to an external XSLT document).
Add support for errors (save then serialize both expected and actual results).
Add support for ignoring comments and whitespaces when deep-comparing.
Add support for t:import in the test suites.
Add new test cases in the test suite for pipx:parameter.
Adapt the import URI for pipx.xpl to the new directory layout (conforming to XProject).
Add the target named all in the Makefile.
Adapt the import URI to the new dir structure (conforming to XProject).
Add default value for options $comments and $whitespaces.
Add actual and expected outputs even when successful.