Coaster TODO:
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for 0.1.5 release:
1a. Figure out how to deal with different disc sizes
1b. Hal detection of CD size
2. Search forward and backwards
3. Check out piping mkisofs into cdrecord.

for 0.2 release:
1. Write Audio layout code.
2. Enable dnd from nautilus.
3. Write backend abstraction code to choose backend through GConf
4. More notifications (sounds and visuals).

for 0.3 release:
1. Burn multiple sessions.
