Version 0.2.1 (2009-07-10)

- Added vignette showing how to do the analyses of Putter H, Fiocco M,
  Geskus RB (2007). Tutorial in biostatistics: Competing risks and multi-state
  models. Statistics in Medicine 26, 2389-2430. Usage: vignette("Tutorial")
- Changed name of cuminc to Cuminc to avoid confusion with the cuminc function
  of cmprsk
- Repaired bug in Cuminc that caused error when no events of certain cause
  were present
- Repaired bug in Cuminc that caused error when only single cause of failure
  was present
- Added option longnames to expand.covs to have the possibility of shorter
  covariate names
- Implemented "aalen" option in msfit for models without covariates
- Implemented "efron" method for ties in msfit; the coxph object that is used
  as input for msfit may have used either "breslow" or "efron" as method for
  ties. Previously only "breslow" was possible.