Fix negative string size (or size too big) error

What's Changed

• Fixing ArgumentError (negative string size (or size too big)) error by Ajit Konde (@AjitKonde-Pattern) in #3
• Replaced fetch_all with fetch by Ajit Konde (@AjitKonde-Pattern) in #4

New Contributors

• Ajit Konde (@AjitKonde-Pattern) made their first contribution in #3

Full Changelog: v6.0.1...v6.0.2