tick off gzip encoding

notes.md

@@ -12,6 +12,7 @@
   * ~~remove base url from initial urls with and without trailing slash~~
   * ~~investigate using [tldextract](https://github.com/john-kurkowski/tldextract) to match urls~~ #wontfix
   * ~~implement parsing of [robots.txt](http://docs.w3cub.com/python~3.6/library/urllib.robotparser/)~~
-  * investigate [gzip encoding](https://stackoverflow.com/questions/36383227/avoid-downloading-images-using-beautifulsoup-and-urllib-request)
+  * ~~investigate [gzip encoding](https://stackoverflow.com/questions/36383227/avoid-downloading-images-using-beautifulsoup-and-urllib-request)~~
   * implement some kind of progress display
-  * async
+  * async
+  * better exception handling