Separated array-writing routine into a function write_array, which:
Separated array-writing routine into a function write_array, which:

- can write arrays in many formats

- can write arrays of arbitrary rank


git-svn-id: fc8d1683ae7bcdf66122612b7c919d97881b57c4@33 67c13c2a-ce2d-4362-9fbd-a73952e22801

keszybz/gnuplot-py