Added the ability to read the conductor password from a file so it doesn't have to sit in the clear in a config file, but can go to a secrets directory
Added the ability to top_level.py and pipeline_exposure_launcher.py to only process up through a specified step. (I added this because I wanted to abuse pipeline_exposure_launcher.py as a bulk downloader, but it's a general good thing to have, at least for testing.)
Couple of small fixes to invent_filepath in image and exposure, including in documentation.
Fixed a problem in retry_download where it would keep retrying forever if the md5sum of the downloaded file mismatched what was expected. (NOIRlab had some wrong md5sums in their archive, so it would never be right.)
A couple of small modifications:
top_level.pyandpipeline_exposure_launcher.pyto only process up through a specified step. (I added this because I wanted to abusepipeline_exposure_launcher.pyas a bulk downloader, but it's a general good thing to have, at least for testing.)invent_filepathinimageandexposure, including in documentation.