small change with newline/tab at end of script
_convertToFloat... now also converts to int
set_legend_run and isLegend. fixed whatever issue they were causing.
bug fix with blank lines at the end of arrays, extended to include xErr and yErr
rewrote large chunk of MPLDataSet to work with sparse and different sized arrays.
Note: if Xerr or Yerr data is not present in a particular cell the error values are taken to be 0.0
small change to version number. i think legend is *finally* worked out.
Merge pull request #10 from austin1howard/unstable-sparse-cols

Unstable sparse cols