Issue #1392754 by tss, justAChris, jhodgdon: Comply with new documentation standards for @file for namespaced class files

Issue #2486831 by amateescu: The $dbh and $connection members are mixed up in Drupal\Core\Database\StatementPrefetch

Issue #2428695 by amateescu, daffie: SQLite date handling is wrongly implemented and arguments handling needs override

Issue #1614186 by RobLoach, tim.plunkett, msonnabaum, Crell, jhodgdon, Niklas Fiekas: Update coding standards for using 'native' PHP classes like stdClass in namespaced code.

Issue #2010322 by Damien Tournoud, dcrocks, amateescu: SQLite follow up to #1953800 'Make the database connection serializable'.