v0.3.3

- Update dependencies

v0.3.2

- Update workflow files

- Set minumum version for runtime dependency

v0.3.1

- Add Sequencer class

- Add 'triangle' type to Oscillator
- Add LICENSE file
- Rename: ADSR -> Envelope

v0.3

- Support Windows

v0.2.1

- Do not delete OpenAL objects after calling OpenAL_fin()

- Do not redefine fin!() methods, they are no longer needed
- Skip 'test_play_end_then_stop' on GitHub Actions
- Update workflows for test
- Update to actions/checkout@v4
- Fix 'github_actions?'

v0.2

- Change the super class for exception class from RuntimeError to Sta…

v0.1.46

- Fix compile warnings

v0.1.45

- Update dependencies

v0.1.44

- Trigger github actions on all pull_request

v0.1.43

- Use Gemfile to install gems for development instead of add_developm…