0.8.1 Add example data file for xppauto.plot(). Upload package to CRAN.
0.8-0 Add xppauto.plot for plotting bifurcation diagrams from XPPAUT and
      utility function dev2ps.
0.7-0 Change trace.factor to group. Add option to create a "split plot" for the
      bargraph function similar to the appearance of a back-to-back histogram.
0.6-1 Fix bug with CI's in lineplot.CI.
0.6-0 Modified CI to allow asymmetric functions. Changed handling of data 
      environment.
0.5-0 First release.

