Dessia-common

Added
- SerializationError
- is_jsonable
- get_python_class_from_class_name
- base_dict returns class name
Changed
- Checks for volume_model implementation

Added
- Evolution class
- ConsistencyError in core

Added
- _export_formats to DessiaObject

Fixed
- Check equality of methods working on classes

Added
- Generic eq,
- Copy volmdlr support