Remove channel information after being kicked or parting.

Also fixed _destroy_channel() to remove any users not in common anymore as a result of leaving the channel.

pydle/client.py

@@ -200,6 +200,8 @@ class BasicClient:
         }
 
     def _destroy_channel(self, channel):
+        for user in self.channels[channel]['users']:
+            self._destroy_user(user, channel)
         del self.channels[channel]
 
 
@@ -636,6 +638,9 @@ class BasicClient:
             target, targetuser, targethost = protocol.parse_user(target)
             self._sync_user(target, targetuser, targethost)
             
+            if self.is_same_nick(target, self.nickname):
+                self._destroy_channel(channel)
+            else:
                 # Update nick list on channel.
                 if self.in_channel(channel):
                     self._destroy_user(target, channel)
@@ -727,7 +732,7 @@ class BasicClient:
             # We left the channel. Remove from channel list. :(
             for channel in channels:
                 if self.in_channel(channel):
-                    del self.channels[channel]
+                    self._destroy_channel(channel)
         else:
             # Someone else left. Remove them.
             for ch in channels: