feat(cli): Added 'showHelp' flag on thrown errors to override 'showHelpOnError'. Defaults to 'true'. This still requires 'help' to be enabled.
feat(debug): Added 'error' style for help template and server mode error handling.
fix(cli): Removed duplicate error logging when server mode execution throws exception.
fix(help): Allow non-Error objects to be thrown and rendered on the help screen.
chore(dep): Replaced 'fast-levenshtein' with 'fastest-levenshtein'.