v1.7.1 draft

[GeckoEidechse]

Changes and fixes:
Compare UID from connect on activate (#175)
Log UID in a variety of places during auth process (#174)
Block emit command when sv_cheats is disabled (#170)
Don't allow multiple of the same account to connect without a commandline arg (#161)

Backend:
Reject non-string values in server/update_values (#74)
Move setting heartbeat so it can't be changed by the request data (#68)
Encode usernames so that they are valid URI strings (#70)
Guard against duplicate ports (#67)
Query game port on server create (#63)
Fix modInfo not iterable maybe (#62)
uid<->username lookup routes (#36)
Exposing player data (layouts and game stats) through endpoints. (#48)

Contributors:
@ASpoonPlaysGames @barnabwhy @BobTheBob9 @emma-miler @GeckoEidechse