Audio module

[1] Overview

Audio module is used to play background music and sound effects.

[2] Dependencies

none

[3] Requirements

* Play background music in Ogg Vorbis format
* Load sfx in Ogg Vorbis format instead of .wav
* Events notify when background music finished playing
* Python script to chose next piece of music
* Backend independence

[4] References

* Ideas for SFX
  http://lists.nongnu.org/archive/html/adonthell-devel/2004-08/msg00003.html
  
* Maybe this can be integrated with the 'Ether'?
  http://lists.nongnu.org/archive/html/adonthell-devel/2004-04/msg00001.html