0.5.0

[Breaking] Bump av-format dependency to 0.7 to pull in the simplified Muxer interface

0.4.1

Bump av-format dependency to 0.6, in order to make the muxer usable with a greater variety of writers

0.4.0

Bump av-format dependency to 0.5
Export several traits, structs from av-format for convenience
Use Rust edition 2021
Various improvements

0.3.0

Bump av-format dependency to 0.4