BF: Service: Optimization of CONNECT
BF: Service: Optimization of CORS
BF: Build: Correction of release
BF: Service: Uniform use of the GMT time zone
BF: Service: Correction in the creation of trace and trace hashes
BF: Service: Correction of POST for use of status 422 by errors in the stylesheets instead of status 400
CR: Service: Added directives for XPath
CR: Service: Added the directive JSON
CR: Service GET/POST: Added support for accept header: application/json
CR: Test: Added Snake as proof of concept for a multiplayer game
