Nutri
Nutri is a very basic library to calculate a little with macro nutrient's.
Foods
There are some food's included in VariousFoods.hs and more can be
defined there. A Food is basically a function that takes an amount
value and calculates from that the caloric value.
Weight
The amount of food is given by the Weight type. Until now, there are
only Gramm values, but more can be added to that type.
Macros
The Macros type is a triple type, that contains the macro
nutrients. Those are Protein, Carbohydrates and Fats.