Update README.md
Update README.md
Update README.md
Update README.md

Updated to include some markdown bolding.
Merge pull request #1 from icanhazdevops/master

Pulling from upstream
Merge pull request #1 from Gifflen/master

Merge pull request #1 from icanhazdevops/master
Added 4 new Challenges
Fixed Formatting
Merge pull request #1 from icanhazdevops/master

Adding 4 New Challenges