v0.4.0
See CHANGELOG.md for release notes: https://github.com/elixir-lsp/elixir-ls/blob/41532b96bc316257d71650f776108b78e17fd728/CHANGELOG.md#v040-16-may-2020
See CHANGELOG.md for release notes: https://github.com/elixir-lsp/elixir-ls/blob/41532b96bc316257d71650f776108b78e17fd728/CHANGELOG.md#v040-16-may-2020