Function find_any

SIBR_viewers/src/core/system/String.cpp:143–152

	SIBR_SYSTEM_EXPORT bool find_any(const std::vector<std::string>& needles, const std::string& haystack)
	{
		for (std::string needle : needles)
		{
			if (haystack.find(needle) != std::string::npos)
				return true;
		}

		return false;
	}

	std::string timestamp(const std::string & format) {
		auto now = std::time(nullptr);