change config-path for 'retries' and 'timeout'

gallery-dl.conf

@@ -4,6 +4,14 @@
     {
         "file": "/tmp/.gallery-dl.cache"
     },
+    "downloader":
+    {
+        "http":
+        {
+            "retries": 5,
+            "timeout": null
+        }
+    },
     "extractor":
     {
         "pixiv":

gallery_dl/downloader/common.py

@@ -28,5 +28,5 @@ class BasicDownloader():
                 except (OSError, AttributeError):
                     pass
 
-    def download_impl(self, url, file_handle):
+    def download_impl(self, url, pathfmt):
         """Actual implementaion of the download process"""

gallery_dl/downloader/http.py

@@ -18,12 +18,13 @@ from .. import config
 
 class Downloader(BasicDownloader):
 
+    max_tries = config.interpolate(("downloader", "http", "retries",), 5)
+    timeout = config.interpolate(("downloader", "http", "timeout",), None)
+
     def __init__(self, output):
         BasicDownloader.__init__(self)
         self.session = requests.session()
         self.out = output
-        self.max_tries = config.get(("retries",), 5)
-        self.timeout = config.get(("timeout",), None)
 
     def download_impl(self, url, pathfmt):
         tries = 0