Move new entries to the end when loading history.

Before, if an URL was present early in the history and then again later, we
didn't move it to the end of the OrderedDict. This means it won't be loaded in
the completion.

qutebrowser/browser/history.py

@@ -92,6 +92,7 @@ class WebHistory(QWebHistoryInterface):
                 # old_urls to be lists or change HistoryEntry to have a
                 # list of atimes.
                 self._history_dict[url] = HistoryEntry(atime, url)
+                self._history_dict.move_to_end(url)
         self._new_history = []
         self._saved_count = 0
         objreg.get('save-manager').add_saveable(