Purpose: Computation of the quadratic entropy. sum p_i^2.

Usage : probsq [-i -t -a -ver -h -?]

Options : 
 -i FILE  : The autocorrelation is read from file FILE
            rather than from ./auto
            The string FILE may be a relative or full path-name.
 -a tstart: The autocorrelation function is read only from t=tstart on.
 -t tcut  : The autocorrelation function is read only up to t=tcut
 -ver     : Version information about the program 
 -h       : Print this help text. 
 -?       : Print this help text. 
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