V1 1

api-version set to 1.1, cleanup and some new features

https://github.com/hworld/gj-doc-game-api/blob/master/v1.x/get-time/get-time.md
https://github.com/hworld/gj-doc-game-api/blob/master/v1.x/scores/tables.md
https://github.com/hworld/gj-doc-game-api/blob/master/v1.x/scores/get-rank.md
https://github.com/hworld/gj-doc-game-api/blob/master/v1.x/sessions/check.md