Make compat with newer Linode API and add some CLI options

CLI Options:
  --debug - to toggle debug
  --noop  - to only show what WOULD have happened
  --help  - to give people some help getting started
Add notes about shebang to readme
Fix up usage. Begin configparser stuff
Untabify
Make script read and use values from config file
Add example config file.

Also, change example IP address service to one that still works.