mp4 0.6.0

MP4 Reader and Writer in Rust `mp4rs` is a Rust library to read and write ISO-MP4 files. This package contains MPEG-4 specifications defined in parts: * ISO/IEC 14496-12 - ISO Base Media File Format (QuickTime, MPEG-4, etc) * ISO/IEC 14496-14 - MP4 file format * ISO/IEC 14496-17 - Streaming text format