make httpx follow redirects

lead to a lot more errors since initial 3XX responses can turn into 4XX or 5XX after a redirect

linkcheck.py

@@ -35,7 +35,7 @@ def quote(list):
     urls = urls.split(' | ')
     for url in urls:
         try:
-            r = httpx.get(url)
+            r = httpx.get(url, follow_redirects=True)
             status = r.status_code
             if not sums.get(status): sums[status] = 0
             sums[status] += 1