public static Hashtable<String, LinkedList<Tuple<String,String>>> merge_dicos(Hashtable<String, LinkedList<Tuple<String,String>>> dico0, Hashtable<String, LinkedList<Tuple<String,String>>> dico1){
		Hashtable<String, LinkedList<Tuple<String,String>>> result = dico0;
		Enumeration<String> keys = dico1.keys();
		
		while(keys.hasMoreElements()){
			String current = keys.nextElement();
			if(result.contains(current)){
				LinkedList<Tuple<String,String>> list0 = result.get(current);
				list0.addAll(list0.size(), dico1.get(current));
				result.put(current, list0);
			}
			else{
				result.put(current, dico1.get(current));
			}
		}
		
		return result;
	}