// useful function
	bool extractManyString(const string& contents, const string& beforeString, const string& afterString, StringVector& matchedStrings)
	{
		bool cont = true;

		// start the search at position 0
		int i=0;

		// continue searching while we are finding strings
		while (cont)
		{
			// find the next two matches
			int start = int(contents.find(beforeString, i));

			if (start != int(string::npos) && start + int(beforeString.length()) + int(afterString.length()) + 1 < int(contents.length()) )
			{
				int end   = int(contents.find(afterString, start+1));

				// if we found a match
				if (end != int(string::npos))
				{
					// cut it out
					string el = contents.substr(start + int(beforeString.length()), end - start - int(beforeString.length()));

					// add it to the vector
					matchedStrings.push_back(el);

					// increase the starting index
					i = end + 1;
				}
				else
				{
					// we didn't find it, stop searching
					cont = false;
				}
			}
			else
			{
				cont = false;
			}

		}

		// return true if we found one or more matches
		return (matchedStrings.size() > 0);
	}