Additional algorithms for the `SimpleGraphs` module that rely on integer programming

Print Julia objects in a form suitable for LaTeX mathematics mode.

Reimplemented complex arithmetic in Julia with a single infinity and NaN.

Easy modular arithmetic for Julia

Simple partially ordered sets for Julia

Closed intervals of the form [a,b].

Nicer output for Set and BitSet objects in Julia.

Bijection datatype for Julia.

Permutations class for Julia.