Merge pull request #1 from tiagolicanton/homework

add "testWhat" for test
Merge pull request #2 from tiagolicanton/homework

Homework typo typo
Revert "Merge pull request #2 from tiagolicanton/homework"

This reverts commit 9e834eff29aacebc5ad23888b7d868069ff57baf, reversing
changes made to d723374e597947fbe1b18c85ad714a6a67a34714.
Merge pull request #3 from skyezju/homework

Homework
UIString -> UIImage