* First test for the best trade router

* Share the array in the recursion

* Comment

* Add comparator methods and more tests

* Fix the equalTo method on the fraction

* add a todo, rename `n`

* Best trade exact out, more tests

* Faster sorted insert

* Comment fix

* Handle insufficient reserves and input amount errors

* Test improvements, export best trade options

* Improvements to fraction, make inputOutputAmount reusable

* Make comparator more reusable