Correct file names in fetch instructions for non-pcntl environments

Signed-off-by: Andrew Phelps <andrew@phel.ps>
Improvements to Logger

Signed-off-by: Andrew Phelps <andrew@phel.ps>
Register shutdown functions for Collector and Consumer to notify on exit (if not in verbose mode)

Signed-off-by: Andrew Phelps <andrew@phel.ps>