Merge pull request #7 from soichi777/tag_modify

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Merge pull request #10 from soichi777/tag_modify

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Merge pull request #15 from soichi777/7230
Merge pull request #19 from soichi777/7230
Merge pull request #24 from soichi777/range_request
Merge pull request #28 from soichi777/caching
removed some lang attributes
hide lang=en
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