v0.9.0

Breaking

• [Errors] Returned and raised errors throughout the project have been updated to use Meeseeks.Error instead of whatever assorted formats they were using before

Enhancements

• [Errors] Add Meeseeks.Error, a generic error struct implementing Exception
• [Select] Add Meeseeks.fetch_all and Meeseeks.fetch_one

Fixes

• [Extract] Fix bug in Meeseeks.html when encoding element attribute values that contain double quotes