- Handle updates correctly in OurDB `set` function, preventing errors
when incremental mode is enabled.
- Ensure directories are correctly created with metadata in OurDBFS.
- Add debug print statements to OurDBVFS for improved debugging.
- Simplify OurDBVFS `get_entry` function for better readability and
correctness. Fixes potential issues with returning references.
- Update tests to reflect changes and use a temporary directory
to avoid conflicts.
- Updated import paths to reflect the renaming of the
`crystallib` module to `herolib`. This change improves
consistency and clarity in the project structure.
