message: Added cleaning function.
diff: @@ -77,8 +77,19 @@ impl Default for DataCollection {
  }
  impl DataCollection {
  - pub fn clean_data(&mut self) {
  - // TODO: [OPT] To implement to clean
  + pub fn clean_data(&mut self, max_time_millis: u128) {
  + let current_time = Instant::now();
  +
  + let mut remove_index = 0;
  + for entry in &self.timed_data_vec {
  + if current_time.duration_since(entry.0).as_millis() > max_time_millis {
  + remove_index += 1;
  + } else {
  + break;
  + }
  + }
  +
  + self.timed_data_vec.drain(0..remove_index);
  }
  pub fn eat_data(&mut self, harvested_data: &Data) {
  