An experimental object-oriented version of PDCO.

• Model module (available at https://github.com/optimizers/model ),
• Ampl to nlpmodel interface (available at https://github.com/optimizers/AmplMexInterface ),
• Spot module (available at https://github.com/optimizers/spot ),