Add logging option to output

[s-emerson]

Currently, by default, NACCulator prints all progress and errors to stderr (the terminal). This makes the code take a long time to run.

In redcap2nacc, we add an argument to the command after the output file is specified. For example:

redcap2nacc -ivp <run_06-07-2022/final_Update.csv >run_06-07-2022/iv_nacc_complete.txt 2>run_06-07-2022/ivp_errors.txt

that prints all of this text to a log file called ivp_errors.txt.

We should add this option to the print statements of nacc/run_filters.py and nacc/uds3/filters.py so that the filters run faster.

It would probably look similar to how it works in redcap2nacc, which is, every print statement has a second argument called "file=sys.stderr", and then stderr is specified as a file with that "2>(filename)" argument when running the program. nacc/uds3/filters.py specifically needs this capability rather than nacc/run_filters.py, but run_filters.py is the base program that calls each function in filters.py.