• Rename some C source files & update doxygen documentation.
  • Simplify some methods and the class structure.
  • Clean up code and simplify wrapper functions.
  • Documentation updates.
  • Deal with factors containing only one level.
  • Do not compute design matrices in ModelEnvFormula.
  • Expand weights if distribution = approximate().
  • Assign names to user-specified transformation in case they are missing.
  • The distribution argument may now be a function with one argument allowing for user-specified distributions.
  • surv_test() ignored the alternative argument.