in load(), we added utf-8 encoding before calling Reader() as it fails with non-ascii attributes.
Added split() to split ARFF data into n parts returning the resulting splits as an array.
Created arfftools.py, to be able to play with ARFF files from command line.
cleaning up code a bit.
fixed a problem when a one value is empty
Merge pull request #5 from gr33ndata/master

Fixed a problem as it failed with non-ascii attributes