Memo hasn't updated that library for a few years, and maybe never will - he's made a much more extensive implementation of it for openFrameworks.
That being said, it wouldn't hurt to write him, as now that the OpenGL renderer in Processing has been improved, maybe he would be interested in making it compatible with 2.0...
Also, it is an open source lib... anyone could update it and recompile for 2.0 if they invested enough time in it... ?!?
and @mr.t - no, this library did not get added to the core, and I don't see that happening (maybe toxiclibs one day

)...
the MSA library uses OpenGL, and thus GLUT, but that's a separate question... (pls start a new topic or search the forums first)