Simulation of driven qudits

HamiltonianBuilder([num_levels, qudits, ...])	Hamiltonian with static transverse couplings and external drive terms.
drive	Drive Hamiltonian (qudit_sim.drive)
pulse	Pulse shape library (qudit_sim.pulse)
pulse_sim(hgen[, tlist, psi0, args, e_ops, ...])	Run a pulse simulation.
sim_result	Simulation result class and I/O.