Markov: handle non-channel events properly

this includes having privmsgs correctly be attributed to the speaker,
rather than the bot

modules/Markov.py

@@ -205,6 +205,10 @@ class Markov(Module):
         """Learn one line, as provided to the command."""
 
         target = event.target()
+
+        if not irclib.is_channel(target):
+            target = nick
+
         match = self.learnre.search(what)
         if match:
             line = match.group(1)
@@ -217,6 +221,10 @@ class Markov(Module):
         """Generate a reply to one line, without learning it."""
 
         target = event.target()
+
+        if not irclib.is_channel(target):
+            target = nick
+
         match = self.replyre.search(what)
         if match:
             min_size = 15