scraper now uses parallelism

README.md

@@ -16,5 +16,7 @@ Latest scrape results can be found in `instance_scrape.json`
 
 ## TODO FIXME
 * add detailed error message to json when we get one
-* abstract the functions so we can multithread them
+* ~~abstract the functions so we can multithread them~~
+* find a way to also scrape for instances that don't announce themselves
+