Clean up

- started going through to remove deprecated code
- removed binaries that aren't being used at this time
Clean up

- finished initial clean-up of legacy code
- we no longer use `..` method of executing commands
- now we use $(..) instead
- various string variables now double quoted
Clean up

- added concatenation for \n throughout to make easier to read
Bug Fix
Bug fix

- `free -h` wasn't registering
- now uses `free -k`
New Feature

- added `iotop` to show real time disk i/o and processes
New Feature

- added `iostat`
- Input/Output Statistics
New Features

- Exim: Count of the messages in the queue
- Exim: Summary of messages in the queue (count, volume, oldest, newest, domain, and totals)
- Exim: Exim's configuration settings
- Added Network Interface Statistics
- Added Socket Information
New Features

- won't let the script run if it's already found to be running
- conditional around config.sh include (only include if exists)
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New Feature

- Added conditional around config.sh creation in --init
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