Fixed a couple minor issues. Removed a line disabling the debug flag for adodb, and changed the assessment delete to disable the assignment associated with it as well, rather than setting the assessment_id for that assignment to 0.
Merge branch 'develop' of https://github.com/EntradaProject/entrada-1x into develop

# By Ryan Warner
# Via Ryan Warner
* 'develop' of https://github.com/EntradaProject/entrada-1x:
  Refs #478: Fixes same issue with member should not be an array element.