Pastell - an XPath-like library for Squeak

I've just released on SqueakSource a small package called Pastell. Pastell is an add-on for YAXO (Squeak's built-in XML parser) which adds some methods that make navigation of an XML DOM tree much easier. Basically, it's a Smalltalk-based version of XPath.

Pastell may be found in its own repository.
Extensive documentation is included in the package (look at the class comment of the PastellInfo class) and has also been replicated on the Swiki.