Log Message:
Update to 2.0.1, provided by Adam Ciarcinski, with minor fixes.
Changes:
	- icon for Windows executable added
	- bug when selecting default level series fixed
	- new IFF style file format for level files
	- fullscreen mode now works with Windows (workaround for bug in SDL)
	- /dev/dsp support for NetBSD added (thanks to Krister Walfridsson)
	- file permissions when saving files and creating directories changed
	- some small sound bugs fixed