exercise 3 fixed first test
exercise 3 fixed second test
exercise 3 fixed third test
exercise 3 fixed fourth test
exercise 3 fixed fifth test
exercise 3 fixed sixth test
exercise 3 fixed seventh test
exercise 3 fixed eighth test
added the package json and the tests.js files
resolved merge conflicts
fourth exercise first test fixed
fourth exercise second test fixed
fourth exercise third test fixed
fourth exercise fourth test fixed
Merge pull request #3 from douzmanian/fourth_exercise

exercise 4
conflicts resolved