Alpha 0.1.0 Update #4

+ Added .bat and .sh to git's ignore list.
+ Added input function to make getting input more efficient.
+ Added a function to check if file exists (not working!)
+ Added a skeleton for saving games.
- Removed TEST.txt
- Removed getline from files that didn't need it.
- Removed exitCode and replaced it with the function exit
+-\* Did a ton of stuff to saving.
Add .vatk files to .gitignore
Deleted TEST.txt

It wasn't needed, so I killed it.