num (PR #19).App level (PR #22).logs library and debug is activated by this library.Rat2 module now abstract bounds as strict upper, strict lower or soft bounds instead of pairs of rationals.A functor called Basic provides three modules:
Core: provides some basic functions, and a function empty to create an empty environmentAssert: exports two functions var and polys to assert bounds on variables and polynomials, respectivelySolve: exports a function solve that tries to find a solution for the constrains