APply the algebraic operators to the wavefunction with a specfiic

algorithm and to the requested accuracy.

ops (FermionOperator) - a hermetian operator to apply to the wavefunction

wfn (fqe.wavefunction) - the wavefunction to evolve

algo (string) - a string dictating the method to use

accuracy (double) - a desired accuracy to evolve the system to

wfn (fqe.wavefunction) - the evolved wavefunction