added gitignore
rspec
refactor and added the passing test 3
adds the two numbers in the string
adds numbers 1 2 3
adds 3 numbers
adds 4 numbers
it was getting too repeatative, so Added map method, and inject method.
it can handle unknown amount of numbers now, tested for more and more numbers
no accepts \n after the number
I love regexp. End of story.
Added the test I took away when testing the regexp, now is passing also
added an absurdly long test