Siren 0.3 发布，Unix系统的声音播放器

Siren是一个基于文本的声音播放器，用于类似Unix的操作系统中。它支持格式包括：Ogg Vorbis, MP3, FLAC, WavPack, WAVE, AIFF等格式。Playback is possible through sndio, PulseAudio, ALSA, OSS, Sun audio, and libao。

发布说明: This release adds the ALSA output plug-in, adds the update-metadata command, fixes a buffer overflow in the format-string parser, fixes a mutex deadlock, and fixes various minor bugs.