Test creating arrays

*Empty arrays fall under the class: Arrays, and are sized at 0.
Test array literals

*This array test shows that when you add and element to an array, it will sequentially at that element to the array.
Tests accessing array elements

*Learned how the array element are organized numerically and with first, second,etc...

*Learned that an array element can also be organized with negative numbers.
Tests slicing arrays

*An array starts at 0.
*An array slice starts at [a,b] the a spot and moves b spaces forward.
*If an array has less elements than the b variable then the array will be nil.
test