Print a prompt out ahead of first command
Ignore temp directory
Ensure logging is guarded at occurs at the correct level
Make sure that the end of input results in a clean shutdown
Support reading sql from a file
Ensure json dependency is packed in the omnibus package
Throw a meaningful exception when the jdbc url and the driver do not align
Log the configured database driver on startup
Improve handling of empty commands
Emit output to stdout rahter than error