add ´get_pagelist´ to wikibot.py

wikibot.py

@@ -15,6 +15,12 @@ def get_time():
     return proxy.dokuwiki.getTime()
 
 
+def get_pagelist():
+    """shortcut for dokwuki getPagelist call
+        Returns a list of dictionaries with keys: "id" (full pagename), "size" (number of characters of page), "rev" (timestamp of last revision), "mtime" (same as rev).
+    """
+    return proxy.dokuwiki.getPagelist()
+
 def strip_namespace(full_name):
     """Returns the pure pagename without namespace.
         If a namespace withoput pagename is given like "n1:n2:" then the last namespace is returned .