Update credits

modules/Credits.rb

@@ -6,15 +6,18 @@ require_relative '../module_base'
 module Lain
   module Modules
     class Credits < Base
-      def on_message(muc, message)
+      CreditText = <<END
-        return unless /\A!credits\b/ =~ message.body
-
-        muc.say <<END
 
 I am Lain (レイン) #{Version}.
 
- -- coded by NeoRaider
+Coded by NeoRaider -- code at http://git.universe-factory.net/lain/
 END
+
+      def on_message(muc, message)
+        return unless /\A!credits\b/ =~ message.body
+
+        
+        muc.say CreditText.chomp
       end
 
       def commands