toString(setString = 'X ', unsetString = '  ', lineSeparator = '\n') {
			return this.buildToString(setString, unsetString, lineSeparator);
		}
@param setString representation of a set bit
@param unsetString representation of an unset bit
@param lineSeparator newline character in string representation
@return string representation of entire matrix utilizing given strings and line separator
@deprecated call {@link #toString(String,String)} only, which uses \n line separator always