moved month printing to chatter

really, time.strftime should probably be used for this, but i got stuck
on lowercase month names for consistency and would rather use my
internal dict than lowercase the strftime return.

bin/chatter.py

@@ -12,3 +12,6 @@ langfile.close()
 def say(keyword):
 
   return random.choice(LANG.get(keyword))
+
+def month(num):
+  return LANG["months"].get(num)