Add credits module, more core improvements

modules/Credits.rb

@@ -0,0 +1,17 @@
+# -*- coding: utf-8 -*-
+require 'xmpp4r/message'
+
+require_relative '../module_base'
+
+module Lain
+  module Modules
+    class Credits < Base
+      def on_message(muc, message)
+        return unless message.type == :groupchat
+        return unless /!credits\b/ =~ message.body
+
+        muc.send(Jabber::Message.new(message.to, "Lain (レイン) #{Version}\n\n -- hacked by NeoRaider"))
+      end
+    end
+  end
+end

modules/DDate.rb

@@ -9,10 +9,7 @@ module Lain
         return unless message.type == :groupchat
         return unless /!ddate\b/ =~ message.body
 
-        p = IO.popen("ddate")
-        while (line = p.gets)
-          muc.send(Jabber::Message.new(message.to, line.chomp))
-        end
+        muc.send(Jabber::Message.new(message.to, IO.popen("ddate").gets(sep=nil).chomp))
       end
     end
   end