implement a save() for modules, use it in MegaHAL to sync brain to disk

Module.py

@@ -92,6 +92,13 @@ class Module(object):
         self.server.remove_global_handler('pubmsg', self.on_pubmsg)
         self.server.remove_global_handler('privmsg', self.on_privmsg)
 
+    def save(self):
+        """
+        Save whatever the module may need to save. Sync files, etc.
+
+        Implement this if you need it.
+        """
+
     def shutdown(self):
         """
         Do pre-deletion type cleanup.

modules/IrcAdmin.py

@@ -143,7 +143,11 @@ class IrcAdmin(Module):
     def sub_save_config(self, connection, event, nick, userhost, replypath, what, admin_unlocked):
         with open('dr.botzo.cfg', 'w') as cfg:
             self.config.write(cfg)
-        replystr = 'Saved config file.'
+
+        for module in self.modlist:
+            module.save()
+
+        replystr = 'Saved.'
         return self.reply(connection, replypath, replystr)
 
     def sub_change_nick(self, connection, event, nick, userhost, replypath, what, admin_unlocked):

modules/MegaHAL.py

@@ -37,9 +37,15 @@ class MegaHAL(Module):
 
         mh_python.initbrain()
 
+    def save(self):
+        """
+        Sync the megahal brain.
+        """
+        mh_python.cleanup()
+
     def shutdown(self):
         """
-        Close the megahal brain.
+        Sync the megahal brain.
         """
         mh_python.cleanup()