Version 0.4
- plot.gantt() improvements

Version 0.3
- rationalize file formats

Version 0.1.1
- add argument 'y.name' to plot.burndown().
- vectorize trim.whitespace (code provided by David Rosenberg)

Version 0.1.0
- first version, uploaded 2009-04-26 to CRAN.
- as now-defunct 'projectplanning' package, except for CSV data format.
