waldheinz/fat32-lib — pull request #23 by janseeger (2014-12-12 09:16:24+00:00)
Title: implemented size calculations.

still not sure if total/free/used would be better than this.

Unit test sizes have been checked aganst Unix ```df```:
```
/dev/loop0 1004 6 998 1% /media/jan/8716-FC70
/dev/loop0 9962 6 9956 1% /media/jan/B384-1B23
/dev/loop0 39368 2 39366 1% /media/jan/testdisk
```