Require "id" to be unique in parameters file (upf-1.txt)

[brettin]

I mistakenly set the id to test0 for all the entries in the upf-1.txt file. The workflow ran and it looks multiple workers are writing to the same files. I will have to resubmit the run. Perhaps the workflow could verify the ids are unique before starting.

{"id": "test0",
{"id": "test0",
{"id": "test0",
{"id": "test0",
...