Libint2::Evaluaor#initialize_evaluator sets coefficients_map
Libint2::Evaluator uses Shell#azimuthal_quantum_number
Libint2::Evaluaor#initialize_evaluator sets contrdepth
Fix specs for Libint2::Evaluator#coefficients_map
Implement Libint2::Evaluator#evaluate

TODO: Fix azimuthal quantum number orderings