CHANGES IN influence.SEM VERSION 2.3

CHANGES
  * changed sem.fitres.Rd file 
  * changed statements if(class(fit)=="try-error") into (inherits(fit,"try-error"))
  * changed url and updated references in Deltachi.Rd file

  CHANGES IN influence.SEM VERSION 2.2

CHANGES
  * changed functions Deltachi, fitinfluence, genCookDist, Likedist, in order to optimize the functions 

CHANGES
  * added function sem.fitres

  CHANGES IN influence.SEM VERSION 2.1

CHANGES
  * added function sem.fitres

  CHANGES IN influence.SEM VERSION 2.0

CHANGES
  * bugs fixed in functions which use tltck package
  * changed output in function fitinfluence
  * added internal function bollen.loglik

  CHANGES IN influence.SEM VERSION 1.5

CHANGES
  * changed output in function fitinfluence