2009-11-25, version 0.6-3

Functions plot.copas, print.copas, print.summary.copas,
	  summary.copas:
 - modified so that the signifiance level for the test of
   residual selection bias can be chosen by the user
   (new argument sign.rsb)
 - help files changed accordingly


2009-04-08, version 0.6-2

No ChangeLog available for versions < 0.6-2