[Confluence] Make pagination work for fetching subpages of confluence page (atlassian-api#990)

Fixes: atlassian-api#989

Author: tmotyl

atlassian/confluence.py

@@ -76,8 +76,8 @@ def _get_paged(self, url, params=None, data=None, flags=None, trailing=None, abs
             url = response.get("_links", {}).get("next")
             if url is None:
                 break
-            # From now on we have absolute URLs with parameters
-            absolute = True
+            # From now on we have relative URLs with parameters
+            absolute = False
             # Params are now provided by the url
             params = {}
             # Trailing should not be added as it is already part of the url