Updated versions of dependencies

darcs-hash:20091212133640-58252-4ff78186e430aeb06eb1f3d670e49e0c3c9dbf2c
Added IVirtualAudioDevice interface and support for it in AudioStream

Ignore-this: 7f9690482fbd665d315268a4a94b9965

darcs-hash:20091214153632-1e3d8-85bef054ae32df97cc2e86eac0ab25a87b040627