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: a9b3423f80f97d8686891a9c593c60a3eca95014@66 67c13c2a-ce2d-4362-9fbd-a73952e22801

keszybz/gnuplot-py