* add command to convert mysql database from utf8 to utf8mb4 * Update cmd/convert.go Co-Authored-By: John Olheiser <[email protected]> * Update cmd/convert.go Co-Authored-By: John Olheiser <[email protected]> * Update cmd/convert.go Co-Authored-By: John Olheiser <[email protected]> * Update models/convert.go Co-Authored-By: John Olheiser <[email protected]> * Update models/convert.go Co-Authored-By: John Olheiser <[email protected]> * Update cmd/convert.go Co-Authored-By: John Olheiser <[email protected]> * Update cmd/convert.go Co-Authored-By: John Olheiser <[email protected]>