- Support `completed` field for objects in project config. In object tree, displays red for incomplete, green for complete.
- Add support for one-sided diffs. A project can include objects without an associated source file for viewing.
- Add versioning to AppConfig, supporting upgrades without losing user configuration.
* Use let-else in App::post_rendering
* Use let-else in diff::reloc_eq
* Use let-else in diff::diff_objs
* Use let-else in views::data_diff::data_diff_ui
* Use let-else in views::function_diff::function_diff_ui
* Use let-else in views::function_diff::asm_row_ui
* Use let-else in views::jobs::jobs_ui
* Update rust-version in Cargo.toml