* Fix WARNS=4 issues (const & sign mismatches, etc)
* Ensure various ftpd.conf values can't exceed their underlying types.
* Fix for 64 bit time_t and dev_t
* Rename internal getline() function to get_line() so it does
conflict with the getline(3) libc function.
* Log both the hostname and numeric address.
* Improve man page mdoc formatting