plotROC 1.3.3
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  - Added support to ggroc method for objects as returned by ROCR::performance
  - Bug fix in labeling

plotROC 1.3.2
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Added support for new aesthetic options in plot_journal_roc and export_interactive_roc
  + colors
  + legends
  + line type
  + line width
  + axis labels
  + plotmath expressions in labels

Remove need to specify cutoff labels to plot and export. Those functions now read the data directly from the ggroc object. Easier to use this way!

plotROC 1.3.1
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  * fix multi plot with n.cuts = 0 bug

plotROC 1.3
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  * Added tests
  * Fixed vignette
  * Allow arbitrary class labels
  * Cleanup after interactive plot creation
  * Citation information

plotROC 1.2
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  * New feature: click on interactive plot to display confidence region

plotROC 1.1
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  * New feature: Support for multiple curves

 plotROC 1.0
----------------
  * Initial release
