message: ChangeLog for 6.3.0
diff: +## X.Y.Z (INSERT_DATE_HERE)
  +
  +#### Minor Changes
  +
  +- [Improved Lookahead functions and maxLookahead handling](https://github.com/SAP/chevrotain/issues/1012)
  +- [Parser Initialization Performance Tracing](https://github.com/SAP/chevrotain/issues/1035)
  +- [Ability to Optionally Skip Grammar Validations in Production](https://github.com/SAP/chevrotain/issues/1036)
  +
  +#### Documentation
  +
  +- [Cold Start Performance Guide](https://github.com/SAP/chevrotain/issues/1037)
  +- [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)
  + - [1](https://github.com/SAP/chevrotain/pull/1021)
  + - [2](https://github.com/SAP/chevrotain/pull/1024)
  + - Thanks to [@HoldYourWaffle](https://github.com/HoldYourWaffle) :thumbsup
  +
  +#### Dev-Ops
  +
  +- [Integrate Algolia Search in the docs website](https://github.com/SAP/chevrotain/issues/1031)
  +
  ## 6.2.0 (8-30-2019)
  #### Minor Changes
  