The goal is to provide a unified interface for the evaluation of 1- and 2-electron integrals using the following packages:
- DALTON [in progress]
- MolSSI/MIRP [TODO]
- jjgoings/McMurchie-Davidson [TODO]
- berquist/obarasaika [TODO]
- Psi4 [TODO]
- PyQuante [TODO]
- pyquante2 [TODO]
- pyscf [TODO]