order member documenters

closes #34

Author: Chilipp

autodocsumm/__init__.py

@@ -203,6 +203,12 @@ def get_grouped_documenters(self, all_members=False):
             documenter = classes[-1](self.directive, full_mname, self.indent)
             memberdocumenters.append((documenter,
                                       members_check_module and not isattr))
+
+        member_order = (
+            self.options.member_order or self.env.config.autodoc_member_order
+        )
+        memberdocumenters = self.sort_members(memberdocumenters, member_order)
+
         documenters = OrderedDict()
         for e in memberdocumenters:
             section = self.member_sections.get(