0.3.2:  
	Initial release of libradio

0.3.3:  
	fixed(I think) set_volume, set_bass, set_treble
	added get_signal(__u16 *) to facilitate "scaning"
	added get_audio_flags(__u32 *)
	added get_audio_mode(__u16 *)

0.3.4:
	added RADIO_DEV_NOT_OPEN to list of posible return values
	fixed the segfault problem when a function is called before radio_init	

0.3.5:
	changed fd to radio_fd to reduce possibility global namespace collision
	changed mute function to work with more cards
