Function toLower

common/StringUtil.cpp:207–213

	}

	std::string toLower(const std::string_view input)
	{
		std::string newStr;
		std::transform(input.begin(), input.end(), std::back_inserter(newStr),
			[](unsigned char c) { return std::tolower(c); });
		return newStr;
	}

	std::string toUpper(const std::string_view input)
	{