Get fizzbuzz files with running rspec
Return the correct numbers based on initialization.
Properly substitute Fizz
Implement buzz substitution

Also clean up tests so each test only looks for 
one substitution string.
Implement "FizzBuzz" substitution
Extract a method to reduce duplication and give
a lot of ascii a name.
If statements can return value.
Extract big if statement to a method.

This makes the run method easier to read and puts
it at the same level of abstraction.
Add files for key/value store with running RSpec
Allow users to add and get key/value pairs.
Allow for deletion of key/value pairs.
Allow store to return a list of keys.
Allows for the clearing of the key/value store
Remove duplication.