FIX: do not use _getConnection and do not close DB connections
reformat
fix: typo
FIX: do not use _getConnection and do not close DB connections
FIX: get rid of connection.close() + several code updates
adding some tests
more tests
FIX: do not use _getConnection and do not close DB connections
FIX: update use of deprecated _insert _getFields from MySQL class.