This is a work in progress.  It can be used to monitor link status and
your gateway, provided your network configuration isn't too odd.

See samples/wanfaild.yml for an example of what your /etc/wanfaild.yml
might look like.

NAME
    wanfaild - Monitor WAN links and provide failover

DESCRIPTION
    wanfaild will monitor one or more WAN links and provide failover
    support.

SYNOPSIS
    wanfaild [options]

     Options:
       --conf       -c      Specify configuration file
       --no-daemon  -D      Don't detach and become a daemon
       --help       -h      Help message

     Long options:
       --version            Print the version number

AUTHOR
    Steven Pritchard <steve@kspei.com>