Merge pull request #9 from passerellesnumeriques/dev

0.0.71
Merge pull request #10 from passerellesnumeriques/dev

v0.0.72
Merge pull request #11 from passerellesnumeriques/dev

0.0.73
Merge pull request #12 from passerellesnumeriques/dev

0.0.74
Merge pull request #13 from passerellesnumeriques/dev

0.0.75
Merge pull request #14 from passerellesnumeriques/dev

0.0.76
improve download progress when download already partially started