Generalized price chaining without querying pools (#243)

* Update OracleLibrary.sol

* getChainedPrice

* Delete settings.json

* Fix code style issues with Prettier

* comment typos

* gas snapshot update

* delete unneccesary "lower tick is worse" check, add tests

* tests for every token order and negative/positive tick combination

* revert test

* Update contracts/libraries/OracleLibrary.sol

Co-authored-by: Noah Zinsmeister <noahwz@gmail.com>

* remove .only / comment nits / reclone to check gas snapshot oddities

Co-authored-by: Lint Action <lint-action@samuelmeuli.com>
Co-authored-by: Noah Zinsmeister <noahwz@gmail.com>