**January 19, 2024**
- Rename `main.validate_schema` to `main.validate_structure`.
- Change .validate_structure result from list to dictionary. Now adds feature position. Line position now points to exact subelement.
- Move "duplicate_nodes" & "outside_latlon_boundary" to problematic checks.
- Move "duplicate_nodes" to optional fix.
- Move crs check to .validate_sstructure, now optional.
- Enable Geometrycollection as valid type.
- Various improvements and fixes