Log Message:
Update to 1.59

Upstream changes:
1.59 2021-02-22T13:25:52Z
    - Added error detection for when a result set's callback doesn't return
      an arrayref or arrayrefs
    - Moved to GitLab for issue tracking

1.58 2020-11-02T13:34:48Z
    - Added the ability for mock result sets to set custom attributes for
      statement handles. Thanks to Erik Huelsmann for testing the new feature.