3 - native library/protocol:
4 more functions (esp. latency)
6 - xmms+esound latency testing
8 - prefix modules/libraries with pa_
10 - svn-id and license in every file
17 - autoloading/autounloading
20 - make mcalign merge chunks
22 - move the global memblock statistics variables to the core
23 - unix socket directories include user name