Sort out some bugs

seddy.py

@@ -1,6 +1,7 @@
 #!/usr/bin/python3
 # See the LICENSE file for licensing information
 import re
+from string import printable
 
 nick = 'seddy'
 server = 'chat.freenode.net'
@@ -86,7 +87,8 @@ def notice(msg):
     send.flush()
 
 def privmsg(msg):
-    send.write('PRIVMSG ' + channel + ' :' + msg + '\r\n')
+    send.write('PRIVMSG ' + channel + ' :' +
+               ''.join(filter(printable.__contains__, msg)) + '\r\n')
     send.flush()
 
 if __name__ == "__main__":
@@ -119,6 +121,6 @@ if __name__ == "__main__":
 	if '.source ' + nick in msg[:8 + len(nick)]:
             notice('[Python] https://github.com/sys-fs/seddy')
         elif is_sed.match(msg):
-            foo = seddy(msg, history)
+            foo = ''.join(c for c in seddy(msg, history) if c not in '\r\n')
             if foo != False:
                 privmsg(re.sub('\\\\/', '/', foo))