Created Markov Analysis module.

We can use Markov chains to rate drinks combined with each other to create an intuitive method of combining ingredients and generating recipes. 

This module creates a csv file, MarkovIngredients.csv showing each ingredient (column 1), its rating (column 2), and all of its related ingredients (columns 3 onward). It also creates a file MarkovRecipes.csv which contains a list of recipes and their ratings.