'dim-0.3 import dim' prints several messages like:
cp: `~felix/dimlib/item/dim/.dim/0.2.6/index' and `cat/meta/index' are the same file
- [dim] dim-0.3 Marc Vertes
- [dim] dim-0.3 messages Philippe Bergheaud
- [dim] dim-0.3 save creates a wrong version name Philippe Bergheaud
