• The maxminddb extension now has the arginfo when using reflection.
  PR by Remi Collet. GitHub #75.
• The maxminddb extension now provides MINFO() function that
  displays the extension version and the libmaxminddb version. PR by
  Remi Collet. GitHub #74.
• The maxminddb configure script now uses pkg-config when
  available to get libmaxmindb build info. PR by Remi Collet.
  GitHub #73.
• The pure PHP reader now correctly decodes integers on 32-bit platforms.
  Previously, large integers would overflow. Reported by Remi Collet.
  GitHub #77.
• There are small performance improvements for the pure PHP reader.