whitespace
If one of the watched wired interfaces is up, set the wireless interface down.
when no wired interfaces are up, enable the wireless interface
Add *.core to .gitignore
Change default interval to five seconds.
move "debug" back into main.
whitespacing
Add a function to find the "best" AP using priorities.
Add a new function to get the current NWID from the radio.
Rename a variable.
Enable/Disable the wifi interface when necessary.

If there are no "watched" wired interfaces up, then enable the wireless
interface.  Use ifconfig(8) to configure the 802.11 interface because
doing it in code would require duplicating half of ifconfig's code. Finally
run the external command specified in the config file for the nwid, if one
exists.