A library with classes to use the FatFs module of ChaN

This library brings together three simple classes to wrap the FatFs
module developed by ChaN on Arduino
platform.
Tested on Arduino Due and Arduino Mega 2560 with IDE 1.5.8
Based on version R0.10c of FatFs
Example sketch FatFsTest.ino demostrate the use of most functions.
Note that this library do not allow use of relative path.