• geoipupdate now uses TCP keep-alive when compiled with cURL 7.25 or
  greater.
• Previously, on an invalid gzip file, geoipupdate would output binary data
  to stderr. It now displays an appropriate error message.
• Install README, ChangeLog, GeoIP.conf.default etc into docdir. PR by
  Philip Prindeville. GitHub #33.
• $(sysconfdir) is now created if it doesn't exist. PR by Philip
  Prindeville. GitHub #33.
• The sample config file is now usable. PR by Philip Prindeville. GitHub #33.