Implement a function that returns an array containing all the consecutive numbers in ascendant order from the given value low up to the given value high (bounds included).
getSequence(1, 5) ➞ [1, 2, 3, 4, 5]
getSequence(98, 100) ➞ [98, 99, 100]
getSequence(1000, 1000) ➞ [1000]