Add a changelog

Fixes #71

CHANGELOG.md

@@ -0,0 +1,50 @@
+# Changelog
+
+All major changes to this project will be documented in this file.
+
+## [Unreleased]
+
+- ...
+
+## [0.7.0] - 2020-09-05
+
+- Update some Linux dependencies (`alsa`, `nix`)
+- Improve error handling for `MMSYSERR_ALLOCATED` (Windows)
+
+## [0.6.2] - 2020-07-21
+
+- Remove deprecated usage of `mem::uninitialized`
+- Switch from `winrt-rust` to `winrt-rs` for WinRT backend
+
+## [0.6.1] - 2020-06-04
+
+- Implement `Clone` for port structures
+- Add trait that abstracts over input and output
+
+## [0.6.0] - 2020-05-11
+
+- Upgrade to winapi 0.3
+- Add WinRT backend
+- Add WebMIDI backend
+- Use platform-specific representation of port identifiers instead of indices
+
+## [0.5.0] - 2017-12-09
+
+- Switch to absolute μs timestamps
+
+## [0.4.0] - 2017-09-27
+
+- Add CoreMIDI backend
+- Use `usize` for port numbers and counts
+
+## [0.3.2] - 2017-04-06
+
+- Use `alsa-rs` instead of homegrown wrapper
+
+## [0.3.1] - 2017-03-21
+
+- Fix crates.io badges
+
+## [0.3.0] - 2017-03-21
+
+- Fix compilation on ARM platforms