Add reading of the following section of a CEL file
        self.version = None
        self.GridCornerUL = None
        self.GridCornerUR = None
        self.GridCornerLR = None
        self.GridCornerLL = None
        self.DatHeader = None
        self.Algorithm = None
        self.AlgorithmParameters = None
        self.NumberCells = None
        self.nmask = None
        self.mask = None
        self.noutliers = None
        self.outliers = None
        self.modified = None