[SCM] narray-miss branch, master, updated. debian/1.2.1-1-9-g70a6021

[Youhei SASAKI]

The following commit has been merged in the master branch:
commit 70a6021d0eddbeb3ad7e14fdcb0f6acb74b6b3d5
Merge: c79e82480dc182f2602bf0f8e568dd0bbb450450 299870ef3956c25d1630a82595f0caa2b59852e4
Author: Youhei SASAKI <uwabami at gfd-dennou.org>
Date:   Mon Jul 25 23:53:32 2011 +0900

    Merge commit 'upstream/1.2.2'


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Additional Ruby Class handling missing value