have !markov learn echo the text it learned, in case someone wants to chain it with other commands for some reason

modules/Markov.py

@@ -140,6 +140,9 @@ class Markov(Module):
             line = match.group(1)
             self._learn_line(line)
 
+            # return what was learned, for weird chaining purposes
+            return line
+
     def markov_reply(self, connection, event, nick, userhost, what, admin_unlocked):
         """Generate a reply to one line, without learning it."""