Handle port numbers in default token_audience

This MR handles setting the default token_audience when the server is included with a port suffix. The fix is to look for tokens with audiences that both include and exclude the :port suffix.

gwdatafind/ui.py

@@ -115,10 +115,13 @@ def get(url, *args, **kwargs):
     if url.startswith("http://") and requests.__version__ < "2.15.0":
         # workaround https://github.com/psf/requests/issues/4025
         kwargs.setdefault("cert", False)
-    kwargs.setdefault("token_audience", [
-        "{0.scheme}://{0.netloc}".format(urlparse(url)),
+    scheme, netloc = urlparse(url)[:2]
+    host = netloc.split(":", 1)[0]  # remove the port
+    kwargs.setdefault("token_audience", list({
+        f"{scheme}://{netloc}",
+        f"{scheme}://{host}",
         "ANY",
-    ])
+    }))
     kwargs.setdefault("token_scope", "read:/frames")
     return _get(url, *args, **kwargs)