# Functions
ArgToFilesAdding converts a comma-delimited list of files being added to a set.
InitConfig() intializes the configuration variables and loggers.
Usage() writes command line options and usage to 'stderr'.
# Constants
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ArgFilesAddingInput is the value of the --files-adding flag to indicate to the input (file or stdin, depending whether a filename argument was passed) is a t3cutil.CheckRefsInputFileAndAdding JSON object.