LinFu?

Is anybody playing around, or know anything, about LinFu?  I've looked
at it a couple times and it's very interesting, but it doesn't seem to
get much attention.  The test coverage in SVN looks awfully low, and
that's always scared me away.

Intro here:  http://www.codeproject.com/KB/cs/LinFuPart1.aspx
Code here:  http://code.google.com/p/linfu/