Features

• Quiet Mode -- run the scanner without Nmap

Maintenance

• Switched to ShellWords for Nmap arg parsing. Now -- "'(safe and vuln)'" works.
• Switched to StructOpts for argparsing
• Refactored the code so it's more OOP
• Removed useless string conversions
• Starting to switch to IPv6 support

Bugs

• Fixed bug where quiet mode printed with quotes