add error handling for broken unicode

bot.py

@@ -616,6 +616,13 @@ class Fulvia(irc.IRCClient):
 		self.whoisIdle(nick, idle, signon)
 
 
+	def lineReceived(self, line):
+		"""Overridden to fix broken unicode issues."""
+		if bytes != str and isinstance(line, bytes):
+			line = line.decode('utf-8', errors='surrogateescape')
+		super().lineReceived(line)
+
+
 class FulviaWrapper():
 	"""
 	A wrapper class for Fulvia to provide default destinations for msg