void savePersistentData(const PersistentData &data, const string& filename)
		{
			try {
				getPersistentProps();
				// Try opening the file
				ofstream ofs (filename.c_str(), ios_base::binary | ios_base::out | ios_base::trunc);
				if (ofs.is_open())
				{
					// SERIALIZE_BINARY
					boost::archive::binary_oarchive oa(ofs);
					oa << data;
					// Close file and sync
					ofs.close();
					os_abstract::sync();
				}
	            else
	            {
					format msg("could not open file [%s]");
					msg % filename;
					throw EGeneric(msg.str());
				}
			} catch(std::exception &e){
				LOG_S20(getPath(),e.what())
			}
			// Emit event.
			m_persistentDataSavedEvent.emit(m_filePathData);
		}

		void loadPersistentData(PersistentData &data, const string& filename)
		{
			ifstream ifs;
			ifstream ifs2;
			try {
				os_abstract::sync();
				try {
					// Try opening the file
					ifs.open (filename.c_str(), ios_base::binary | ios_base::in);
					if (ifs.fail()){
						LOG_S21(filename,"Failed opening file.")
					}
					if (!ifs.good()){
						LOG_S21(filename,"File not good.")
					}
					if (ifs.is_open())
					{
						// SERIALIZE_BINARY
						boost::archive::binary_iarchive ia(ifs);
						ia >> data;
						// Close file and sync
						ifs.close();
					}
				} catch(std::exception &e){
					// Close file and sync
					ifs.close();
					LOG_S21(filename,e.what())
				}
				os_abstract::sync();
				setPersistentProps();
			} catch(std::exception &e){
				LOG_S21(filename,e.what())
			}
		}