add Alias at priority 1 (so that it is handled first)

modules/Alias.py

@@ -27,6 +27,9 @@ class Alias(Module):
 
     """Alias commands as !command, circumventing bot addressing stuff."""
 
+    def priority(self):
+        return 1
+
     def do(self, connection, event, nick, userhost, replypath, what, admin_unlocked):
         """See if there is an alias ("!command") in the text, and if so, translate it into
         an internal bot command and run it.