Make sure we don't nil out the program name.
Adjust Nagios system log messages
Just drop packets from a machine we no longer control.
Modify buffer size of host name

We don't need BUFSIZ bytes, we can get by with FILENAME_MAX bytes.
Also, another variable has been added that's not currently used.  But it will
be, oh yes, it will be.
Add code to pass local address infomration to Lua.

This is useful information that could be used for filtering.  So add the local
address/port information.
Bump version number.