CHANGES IN epiR VERSION 0.9-97

BUG FIXES

    o epi.prev
    Error in formatting of confidence intervals when method = "sterne" and method = "blaker". 
    [Spotted by Salome Duerr]
    Fixed.

    o epi.noninfb
    Study power estimation when r argument for epi.noninfb was not equal 
    to 1 returned incorrect results. 
    [Spotted by Aline Guttmann]
    Fixed.

    o epi.interaction
    Error returned when model = coxph. 
    [Spotted by Eirik Degerud]
    Fixed.
    
    o epi.directadj
    Inconsistency in documentation.
    [Spotted by Jose Conde]
    Fixed.