Cookiemonster Issue

## Great start guys
- 1. The following string array is not being sorted though.
```
arr = ["hi", "Cookiemonstersissue", "quickbrownfox"]

   def bubble_sort_by(arr)
```
The above method is not sorting the string array.

- 2. When the array is already sorted, there is no need to go through the elements and the method should break out if everything is sorted.
