some INFO level logs about download status

csppfetch/__init__.py

@@ -753,10 +753,13 @@ class Downloader:
                     last_problem = problem
 
         for attempt in range(1, retries+1):
+            if retries > 1:
+                logging.info(f"Attempt {attempt}")
             for fileset in filesets:
                 description = fileset.description
                 expected = fileset.expected
                 urls_to_files = fileset.urls_to_files
+                logging.info(f"Working on {description}")
 
                 for base_url in base_urls:
                     full_urls_to_file = {base_url+suffix: dst+"/"+value for suffix,value in urls_to_files.items()}