2.2 Fixed anova.survreg,anova.survreglist. Some doc fixes. legends for
    plot.survfit

2.1  options for `n' in print.survfit, [.Surv fixed for R1.1.1.

2.0   New code from Terry Therneau: faster cox regression, bug fixes.

1.1-6 plot.survfit(,fun="cloglog") broke with mark.times=TRUE when the first event was a censoring.
1.1-5 more documentation fixes, added data(stanford2), modified frailty()
   to avoid bug in new save()/load() code.	
1.1-4  documentation and data fixes, particularly survreg.distributions
