Added protection from BrokenPipeError exceptions when piping log output #157
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Fix #32
Pattern based on comments made here: https://stackoverflow.com/questions/14207708/ioerror-errno-32-broken-pipe-when-piping-prog-py-othercmd
I did not put this in universally; not even for the log script itself. I didn't want to potentially hide other sources of SIGPIPE. So, I'd like to keep this selective before we do things like print data to the console.