%GET Get datafile parameter fields 
%
%   [VALUE1,VALUE2,...] = GET(A,FIELD1,FIELD2,...)
%
% INPUT 
%   A       Datafile
%   FIELDx  Field names (strings)
%
% OUTPUT
%   VALUEx  Field values
%
% SEE ALSO (<a href="http://37steps.com/prtools">PRTools Guide</a>)
% PRDATAFILE, SET