Add ability to send logger (proxy) to worker processes
(#474)
Use logger proxy for image- and file-based multprocessing as well.
(#474)
Setup ability to pass config logger into Build functions for more detailed logging
(#474)
Add logger option to RealGalaxyCatalog
(#474)
Clean up preload code
(#474)
Add locks in RealGalaxyCatalog around pyfits code to avoid problems when multiple pyfits commands are run concurrently.
(#474)
Have worker processes try/catch exceptions and report them back to the main process
(#474)
Improve handling of errors in workers -- terminate other workers or continue on as appropriate
(#474)