v2.1.0

• Migrated application to PHP 7.
• Added CLI benchmark and database-update scripts.
• Added config-file to adjust mmdb location update-url.
• Removed some unused files.
• Updated install-instructions in README.
• Various minor code adjustments.

HINT: This version requires PHP >= 7.0. (It will not work with PHP 5.6)

v2.0.1

• Added robots.txt
• Check for HTTP_X_FORWARDED_FOR header
• Minor bugfixes/improvements

HINT: This is the last version that works PHP 5.6. Later versions require PHP 7.

2.0

Lots of performance optimizations without changing responses of HTTP REST API.
Dropped composer, slim and other libs.

1.0

Version 1.0 based on Slim Framework.