TODO REBASE ME encapsulate deleteTask
TODO REBASE ME don't leak ExtTasks when deleting their Task
Update ExtTask properties when POSTing existing extTask
Sync and display external status
GET /api/ext_tasks/jira to get user's Jira tasks
Utils for error handling with ErrorT / MaybeT
Nicen horrible nested conditionals in basic auth
Allow finding extTask directly from a NewExtTask
Clean up horrible nested conditionals in sync API