Method createGenericColumnNames

src/helper.cpp:60–70

* Creates generic column names like "A", "B", ..., "Z", "AA", "AB", ... , "ZZ", "COL", "COL" * https://stackoverflow.com/questions/2294443/base-conversion-problem */

 *	https://stackoverflow.com/questions/2294443/base-conversion-problem
 */
std::string Helper::createGenericColumnNames(int col) {
	int v = col + 1;
	int base = 26;
	std::string res = "";
	while( v != 0 ) {
		--v;
		res.insert(0, 1, (char)('A' + (v % base)));
		v /= base;
	}
	return res;
}


/**