Major Changes

- restructured logic in large part
- added conditions to support parameters
- added `-x` or `--force` options added to allow you to force it to run (regardless of the current load threshold)
- added `-d` or `--dir` options added to allow you to override the $DIR variable
- added `-e` or `--email` options added to allow you to override the $EMAIL variable
- added `-f` or `--file` options added to allow you to override the $FILE variable
- added `-r` or `--remove` options added to allow you to override the $REMOVE variable, changing your `remove after x days` logic on the fly
- added `-t` or `--threshold` options added to allow you to override the $THRESH variable
- added `-h` or `--help` options, allowing help and usage information to display to the user
- various other clean-up