PowerSound991203-
            -Initial Release

PowerSound2K0331-
            -Removed PP_Init from ex2

            -Fixed the makefiles to compile PowerSound

PowerSoundNEWEST-
            -Added PS_AudioLock, PS_AudioUnlock and PS_AudioPause
             functions

            -Added PS_CloseMusic, PS_OpenMusic, PS_LoadMusic,
             PS_DestroyMusic, PS_MixMusic, PS_PlayMusic, PS_RewindMusic,
             PS_IsMusicPlaying, PS_SetMusicVolume, PS_HaltMusic,
             PS_FadeMusicIn, PS_FadeMusicOut, PS_PauseMusic,
             PS_ResumeMusic and PS_OpenMusicWithCallback functions

            -Added PI_AudioOpenWithCallback function