fix cloning of tables with foreign key constraints #97
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Issue
Cloning fails if there are some tables with foreign key constraints and the cloner tries to copy them in an unfavorable order.
E.g. if using The Events Calendar Plugin (version 6.0.1.1), we've got tables with foreign key constraints and cloning thus fails.
Environment
Bug
Foreign key constraints are not disabled when copying the tables.
Solution
Disable foreign key constraint while copying tables.