Angular module

angular.AngularKetLS([i_c, s_c, l_c, s_r, ...])	Spin ket in LS coupling.
angular.AngularKetJJ([i_c, s_c, l_c, s_r, ...])	Spin ket in JJ coupling.
angular.AngularKetFJ([i_c, s_c, l_c, s_r, ...])	Spin ket in FJ coupling.
angular.AngularState(coefficients, kets)
angular.CoreKet([i_c, n_c, s_c, l_c, j_c, ...])
angular.utils