Respond to TTOU signal

Prints the number of running workers
Do not allow the beacon address to be configured

Broadcasts should always occur on 255.255.255.255
Restore the beacon_ip method

I didn't realize this was being used
Cleanup the implementation of lazy pirate

Removed excess moving parts. The socket is opened and closed in the same
place, making the execution path more explicit.
Merge branch 'beta6' into improve_lazy_pirate
Avoid context collisions from forked processes
Merge pull request #104 from devin-c/improve_lazy_pirate

Improve lazy pirate
Merge branch 'master' into 2-8-stable
Bump version 2.8.0.beta6