Fetch anagram exercise
Update bob test to use bundler
Add bundler and red green tests
Update main README.md
Pass initial anagram test
anagram test 2
Pass anagram tests 3 and 4
Pass anagram test 5
Pass anagram 6
Pass anagram 7
Pass anagram test 8
Pass anagram test 9
Memoize permutations as it is expensive
Speedier please