v0.0.13

What's Changed

• feat: avisynth and vapoursynth options; the rest of batch e listed with reasons by @ryan-morris in #56
• fix: FFmpeg's VERSION file out of libc++'s way on Apple, so opencolorio builds on macOS by @ryan-morris in #52
• fix: each Rust static library's copy of Rust under its own names, so rav1e and rsvg link into one FFmpeg by @ryan-morris in #50
• feat: alsa, pulse, jack, sndio and openal options by @ryan-morris in #57
• feat: xcb, xlib and caca options by @ryan-morris in #59
• fix: library builds' smoke test checks what the configure line built, so slim targets pass by @ryan-morris in #58
• fix: what failed devenvy/ffmpeg's release on engine 0.0.12 by @ryan-morris in #60

Full Changelog: v0.0.12...v0.0.13