Basic implementation of MilpManager using LpSolve.

This library implements MilpManager https://github.com/afish/MilpManager using LpSolve library. It handles creating the model and solving it. It doesn't support loading model from file.

Add package to project. Add MilpManager package to project. Next, you can create instance of LpSolveMilpSolver class and create models as described in https://github.com/afish/MilpManager .