simplest
simplified binary_chop
added context to spec
check array with one element that is not the one being searched for
simple check finding only one item in array.
missed the .should in spec!
handle finding an item at position 0
handle larger array but only tested first element.
fixed phrase of one spec
handle num in other positions of array
check num greater than largest in array
implemented binary chop algorithm
check out of bounds on large array
checked second item in array
check last item in array
cleaned up code
added test for item not in array
move simple checks out of main chop method
move simple check to earlier method
reduce potential creating variable
reduce if statements