diff --git a/bot.py b/bot.py
index 6045376..0e43dca 100755
--- a/bot.py
+++ b/bot.py
@@ -92,7 +92,10 @@ class Input(object):
         self.paraml = paraml
         self.msg = msg
         if command == "PRIVMSG":
-            self.chan = paraml[0]
+            if paraml[0] != bot.nick:
+                self.chan = paraml[0]
+            else:
+                self.chan = nick
         else:
             self.chan = ""
 
@@ -110,7 +113,7 @@ class FakeBot(object):
         self.chan = input.chan
 
     def say(self, msg):
-        self.bot.irc.msg(self.input.paraml[0], msg)
+        self.bot.irc.msg(self.chan, msg)
 
     def reply(self, msg):
         self.say(self.input.nick + ': ' + msg)
diff --git a/core/sieve.py b/core/sieve.py
index 0735d02..47d7381 100644
--- a/core/sieve.py
+++ b/core/sieve.py
@@ -16,10 +16,7 @@ def sieve_suite(bot, input, func, args):
     args.setdefault('prefix', True)
     
     if args.get('prefix', True):
-        hook = r'^(?:[.!]|' + bot.nick +r'[:,]*\s*)' + hook
-
-    if input.command == 'INVITE':
-            print func, hook
+        hook = (r'^(?:[.!]|' if input.chan != input.nick else r'^(?:[.!]?|')  + bot.nick +r'[:,]*\s*)' + hook
 
     input.re = re.match(hook, input.msg, flags=re.I)
     if input.re is None:
diff --git a/irc.py b/irc.py
index a5af647..27d19ee 100644
--- a/irc.py
+++ b/irc.py
@@ -8,7 +8,7 @@ import Queue
 
 queue = Queue.Queue
 
-def decode(txt, codecs=['utf-8', 'iso-8859-1', 'shift_jis', 'cp1252']):
+def decode(txt):
     for codec in ('utf-8', 'iso-8859-1', 'shift_jis', 'cp1252'):
         try:
             return txt.decode(codec)
diff --git a/plugins/dice.py b/plugins/dice.py
old mode 100755
new mode 100644
index 9cd2aa0..9e9cedd
--- a/plugins/dice.py
+++ b/plugins/dice.py
@@ -1,6 +1,5 @@
-#!/usr/bin/env python
 """
-dice.py written by Scaevolus 2008, updated 2009
+dice.py: written by Scaevolus 2008, updated 2009
 simulates dicerolls
 """
 import re
diff --git a/plugins/log.py b/plugins/log.py
index 1a56220..a9bfa46 100644
--- a/plugins/log.py
+++ b/plugins/log.py
@@ -18,26 +18,11 @@ timestamp_format = '%H:%M:%S'
 
 def get_log_filename(dir, network, chan):
     return os.path.join(dir, 'log', gmtime('%Y'), network,
-            gmtime('%%s.%m-%d.log') % chan)
+            gmtime('%%s.%m-%d.log') % chan).lower()
 
 def gmtime(format):
     return time.strftime(format, time.gmtime())
 
-def load_memory(filename, mtimes={}):
-    if not os.path.exists(filename):
-        return {}
-    mtime = os.stat(filename).st_mtime
-    if mtimes.get(filename, 0) != mtime:
-        mtimes[filename] = mtime
-        return dict((x.split(None, 1)[0].lower(), x.strip()) for x in 
-                codecs.open(filename, 'r', 'utf-8'))
-
-def save_memory(filename, memory):
-    out = codecs.open(filename, 'w', 'utf-8')
-    out.write('\n'.join(sorted(memory.itervalues())))
-    out.flush()
-    out.close()
-
 def get_log_fd(dir, network, chan):
     fn = get_log_filename(dir, network, chan)
     cache_key = '%s %s' % (network, chan)
@@ -50,7 +35,7 @@ def get_log_fd(dir, network, chan):
         dir = os.path.split(fn)[0]
         if not os.path.exists(dir):
             os.makedirs(dir)
-        fd = codecs.open(fn, 'wab', 'utf-8')
+        fd = codecs.open(fn, 'a', 'utf-8')
         log_fds[cache_key] = (fn, fd)
 
     return fd
@@ -59,10 +44,9 @@ def get_log_fd(dir, network, chan):
 def log(bot, input):
     ".remember <word> <data> -- maps word to data in the memory"
     with lock: 
-        fd = get_log_fd(bot.persist_dir, bot.network, 'RAW')
+        fd = get_log_fd(bot.persist_dir, bot.network, 'raw')
         fd.write(gmtime(timestamp_format) + ' ' + input.raw + '\n')
 
         if input.chan:
             fd = get_log_fd(bot.persist_dir, bot.network, input.chan)
             fd.write(gmtime(timestamp_format) + ' ' + input.raw + '\n')
-
diff --git a/plugins/remember.py b/plugins/remember.py
index 0319a8d..6a2846c 100644
--- a/plugins/remember.py
+++ b/plugins/remember.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 """
 remember.py: written by Scaevolus 2009
 """
diff --git a/plugins/weather.py b/plugins/weather.py
old mode 100755
new mode 100644
index 2570934..1f668f7
--- a/plugins/weather.py
+++ b/plugins/weather.py
@@ -1,4 +1,3 @@
-#!/usr/bin/python
 "weather, thanks to google"
 
 from __future__ import with_statement
diff --git a/plugins/wikipedia.py b/plugins/wikipedia.py
index 6c4567f..cdc8a53 100644
--- a/plugins/wikipedia.py
+++ b/plugins/wikipedia.py
@@ -1,4 +1,3 @@
-#!/usr/bin/python
 '''Searches wikipedia and returns first sentence of article
 Scaevolus 2009'''