[mew-int 2241] Mew 5.1.52

Hello,

I have released Mew version 5.1.52:

	http://www.mew.org/Beta/mew-5.1.52.tar.gz

In this version, you can specify search filter for Hyper Estraier.
For more information, see:
	http://www.mew.org/feature/est.html.en
	http://www.mew.org/feature/est.html.ja

--Kazu