Offers many JS convenience functions
runPromisesInSequence(input, ...args)
Where input is the initial input and ...args are a list of callbacks resultAsNextInput => promise. Returns a promies that gets resolved when everything is done, gets rejected if anything fails. Used to run promises in sequence one after the other. Functions like an async/await loop in ES7.
carth(...args)
Where ...args are a list of lists of values. Returns a carthesian product in an n-dimensional vector space. Vectors don't have to be of the same length, but if one of them is zero-dimensional it will return an emtpy list.