v0.0.2

• Detect latest release of libmaxminddb
• Use latest libmaxminddb release (default) or fixed version (set via LIBMAXMINDDB_VERSION)
• If using fix version, warn if latest release does not match version in use.

v0.0.1

Initial release based on https://github.com/danstiner/heroku-buildpack-geoip-geolite2

• Install only City or Country database, controlled with environment variable
  (Adapted from https://github.com/voomflights/heroku-buildpack-maxmind-geolite2)
• Allow skipping installation of libmaxminddb, controlled with environment variable