0.20:
	- At last a new release !
	- New feature: Picture annotation with text
	- New feature: Timer to take a picture every X seconds
	- Some graphical enhancements

0.12:
	- Fix a bug that segfaulted the prog when quitting while the cam was running.
	- Powa now saves snapshot and it does it in more than 60 formats :-)	

0.10: Initial release
	- Real-time video stream works. (D-Link DSB-C300 with the OV511 driver)