a bit of cache and logging cleanup in gh_api

tools/gh_api.py

@@ -17,9 +17,9 b' import json'
 try:
     import requests_cache
 except ImportError:
-    print("no cache")
+    print("no cache", file=sys.stderr)
 else:
-    requests_cache.install_cache("gh_api")
+    requests_cache.install_cache("gh_api", expire_after=3600)
 
 # Keyring stores passwords by a 'username', but we're not storing a username and
 # password
@@ -124,6 +124,10 b' def get_paged_request(url, headers=None, **params):'
     results = []
     params.setdefault("per_page", 100)
     while True:
+        if '?' in url:
+            params = None
+            print("fetching %s" % url, file=sys.stderr)
+        else:
         print("fetching %s with %s" % (url, params), file=sys.stderr)
         response = requests.get(url, headers=headers, params=params)
         response.raise_for_status()