Changes in simFrame version 0.1.2

    + Class "NAControl" now contains a slot that specifies whether missing 
      values should also be inserted into contaminated observations.
    
    + Added 'aggregate' method for objects of class "SimResults".
    
    + In function 'contaminate', the column ".contaminated" is always appended, 
      even if 'epsilon' is 0 or 'x' does not have any rows. 


Changes in simFrame version 0.1.1

    + Argument 'select' added to plot functions for specifying columns to be 
      plotted.
    
    + Row names of example data 'eusilc' are now sorted from 1 to the number of 
      rows.
    
    + Fixed cross-references in some help files.
