Version 0.4-3
- explicitly list imported functions in NAMESPACE
- plot(gantt) gets 'axes' argument
- gantAddTask() added
- extensions to plot,gantt-method
- rewrite package with S4 objects (users now do e.g. ?"plot,gantt-method")

Version 0.4-2
- on CRAN, published 2013-09-30

Version 0.3
- plot.gantt() improvements to customization
- 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.
