message: change log fixes
diff: - [Deprecate: "Terminal Token Name Not Found" Error](https://github.com/SAP/chevrotain/issues/1017)
  - [Update Performance Guide](https://github.com/SAP/chevrotain/issues/1038)
  - [Incorrect Perf Docs](https://github.com/SAP/chevrotain/issues/885)
  -
  - Several TypeScript API fixes for [IToken](https://sap.github.io/chevrotain/documentation/6_3_0/interfaces/itoken.html)
  - and [TokenType](https://sap.github.io/chevrotain/documentation/6_2_0/interfaces/tokentype.html)
  + and [TokenType](https://sap.github.io/chevrotain/documentation/6_3_0/interfaces/tokentype.html)
  - [1](https://github.com/SAP/chevrotain/pull/1021)
  - [2](https://github.com/SAP/chevrotain/pull/1024)
  - Thanks to [@HoldYourWaffle](https://github.com/HoldYourWaffle) :thumbsup
  