Damn, you're fast to notice. >_>
It has some threading issues fixed along and should be much more stable now. It also has updated code for XLN files to be extension insensitive.
And I just realized that I didn't compile it with WAV support yet again. >.<
EDIT: Fixed. I also tagged these versions in the SVN repository as xal/tags/2.2 and hltypes/tags/1.4.1 so they can be recompiled any time if needed.