Correct transaction management. cf. bug https://openrdf.atlassian.net/browse/SES-2295 and tomcat default management of PUT request with form data (application/x-www-form-urlencoded encoded)

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mysql_grant{'test1@localhost/redmine.*':

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  user       => 'test1@localhost',

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  table      => 'redmine.*',

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  privileges => ['UPDATE'],

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}