Flattened error checks and cleaned up code.

[jeff-cohere]

Here's how the new error checking boilerplate is looking. I also broke up task.Update in the task manager, which was actually made easier by flattening the error checking.

Closes #38

[codecov[bot]]

Codecov Report

Attention: 315 lines in your changes are missing coverage. Please review.

Comparison is base (4b26e8d) 72.71% compared to head (4ee6dd9) 62.00%.

Files	Patch %	Lines
endpoints/globus/endpoint.go	54.64%	98 Missing and 24 partials :warning:
databases/jdp/database.go	28.42%	63 Missing and 5 partials :warning:
core/task_manager.go	69.38%	30 Missing and 15 partials :warning:
services/prototype.go	22.58%	15 Missing and 9 partials :warning:
databases/jdp/jamo.go	16.00%	18 Missing and 3 partials :warning:
auth/kbase_auth_server.go	45.16%	12 Missing and 5 partials :warning:
endpoints/local/endpoint.go	43.47%	9 Missing and 4 partials :warning:
config/config.go	50.00%	3 Missing and 2 partials :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #39 +/- ## =========================================== - Coverage 72.71% 62.00% -10.71% =========================================== Files 13 13 Lines 1616 1732 +116 =========================================== - Hits 1175 1074 -101 - Misses 364 526 +162 - Partials 77 132 +55 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.

[jeff-cohere]

Of course, in small code bases with lots of error checking, it's hard to get good test coverage. :-)