Update README.md

Added description about self.
Update README.md
Update README.md
Update README.md
Update README.md
Fixed edit collision.

Conflicts:
       README.md

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 Committer: Tony Wang <tonywang@Tonys-MacBook-Pro.local>

 On branch readme-edits
 Your branch is up-to-date with 'origin/readme-edits'.

 All conflicts fixed but you are still merging.

 Changes to be committed:
Merge branch 'readme-edits'

The final merge to complete the project.

Updated Author