For the beasts of Watch and Code

These problems are for Watch and Code members who have completed all the course material and want to keep getting better. Each solution should adhere to Airbnb's style guide, unless there's already a pre-existing style.

1. Improving runWithDebugger

2. A render that doesn't lie

3. librarySystem with dependencies

4. Creating libraries out of order

5. isPrototypeOf

6. A twist on accounting.toFixed

7. Nested todos