Add some comment on the fact that the NewStatus can fail

src/lib.rs

@@ -394,6 +394,8 @@ pub fn run(config: Config) {
 
         // publish status
         mastodon.new_status(status).unwrap();
+        // this will panic if it cannot publish the status, which is a good thing, it allows the
+        // last_tweet gathered not to be written
 
         // write the current state (tweet ID) to avoid copying it another time
         write_state(&config.scootaloo.last_tweet_path, tweet.id).unwrap_or_else(|e|