Simplify geolib.Variable representation.
Version 13.04.8
Add .7z files to .gitignore.
Merge branch 'variable_repr' into geophar
Update doc.
Add (currently failing) test for minor issue FS#270.
Slightly improve ColourSelecter widget.
Improve object properties dialog, and refactor code.
Remove empty texts when Feuille.nettoyer() is called.
Add small speed test in moteur_graphique.py