Merge pull request #13 from ZooTypers/master

Getting updates.
Update .gitignore
Merge pull request #14 from ZooTypers/master

Getting updates.
Finalized everything for Phase 2 and adding all the SDS files along with
final Alpha code.
Merge pull request #55 from dyxliang/master

Finalized Phase 2 for turn-in.
Merge pull request #56 from oaknguyen/master

Finished invalid typed letter error w/ beep sound
Update .gitignore
Merge pull request #15 from ZooTypers/master

Getting updates.
Finalized everything for Phase 2 Turn-in.
Merge pull request #58 from dyxliang/master

Finalized Phase 2 for turn-in.
Update .gitignore
Update .gitignore
Update .gitignore
Merge pull request #8 from ZooTypers/master

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