Changed PlotItem.options to a list of (value,string) tuples.
Changed PlotItem.options to a list of (value,string) tuples.

I plan to make options alterable after construction.


git-svn-id: fc8d1683ae7bcdf66122612b7c919d97881b57c4@66 67c13c2a-ce2d-4362-9fbd-a73952e22801

keszybz/gnuplot-py