Changes to Version 1.8-0

    o See CHANGES file for changes to older versions.
    
    o Concluded dialog-memory updates (with help of Kosar Karimi Pour). Rcmdr option retain.selections now set to TRUE by default.
   
    o Added confirmatory factor analysis.
   
    o Updated Italiian, Japanese, Romanian, Russian, and Spanish translations (thanks respectively to Stefano Calza, Takaharu Araki, Adrian Dusa, Alexey Shipunov, and Manuel Munoz Marquez).    
