allow for multiple modules to respond to recursion text

DrBotIRC.py

@@ -123,11 +123,15 @@ class DrBotIRC(irclib.IRC):
         """
 
         h = self.handlers
+        replies = []
+
         event._target = None
         for handler in h.get("all_events", []) + h.get(event.eventtype(), []):
             ret = handler[1](connection, event)
             if ret:
-                event.arguments()[0] = ret
+                replies.append(ret)
+        if len(replies):
+            event.arguments()[0] = '\n'.join(replies)
 
     def on_pubmsg(self, connection, event):
         """See if there is an alias ("!command") in the text, and if so, translate it into