Fix bug in np.unique function (to force not sorting string list)  in  generating supercell using  c_poscar/c_lammps option.
Fix bug in np.unique function (to force not sorting string list)  in  generating supercell using  c_poscar/c_lammps option.

abelcarreras/DynaPhoPy,abelcarreras/DynaPhoPy