added functionality to find # likes for an item and retrieve all the user id's. also dislikes.
added an update sequence function for the similarity set, recommendations and the wilson score
added the wilson score formula which is used to determine the 'best' rated item which determines the lower bound instead of using a plain average rating sort
updated readme and package.json
moved starter content to the sample folder. will soon modulate is so it's only used if configured in the config file
created all the helper functions for a dev to quickly query redis and find useful info
updated raccoon to use the newer flow through functions
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cleaned up deleted files